Types of Allergies
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Allergy is defined as a disorder of the immune system often also referred to as atopy. Allergic reactions occur when a person’s immune system reacts to normally harmless substances in the environment.
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Allergy
Allergy is a hypersensitive reaction to foreign substances called antigens that are harmless to most individuals. It affects 15-30% of the global population, many of them children. Allergies can cause symptoms like sneezing and itching and interfere with daily life. Treating allergies costs billions of dollars annually. There are four main types of allergic reactions that involve different immunoglobulins and immune cells. Common allergens come from natural sources like pollen and foods or chemical sources like drugs.
Introduction to allergy
Allergies are becoming increasingly common in Australia for a range of reasons. These slides were developed for a course created to help the community better understand and more effectively manage allergies.
Allergy
The document discusses different types of allergies including food allergies, drug allergies, and chemical allergies. It provides examples of common allergens like milk, coffee, metals, acids, and enzymes that can cause immune system reactions through IgE antibodies and the release of histamine from mast cells. The mechanisms of primary and secondary exposure are described, where the first exposure sensitizes the immune system and subsequent exposures trigger an allergic response through antigen-antibody reactions. Common symptoms of different types of allergies are also outlined.
Allergy Power Point Presentation
The document provides information about allergy diagnostics and testing. It discusses the different types of allergies including food, environmental, occupational and insect allergies. It describes the importance of taking a thorough case history and outlines different diagnostic methods used to identify allergens including skin prick tests, patch tests and allergen-specific IgE blood tests. Accurately identifying the specific allergens responsible for a patient's symptoms is key to successful management and treatment of their condition.
Allergy
The document discusses allergies, describing them as an immune system response to typically harmless foreign substances called allergens, which can trigger inflammation and symptoms. Common allergens include foods, pollen, pet dander, and more. Allergies are diagnosed through tests that detect allergy-causing antibodies. Treatment involves avoiding allergens or using medications like antihistamines to reduce symptoms, while more severe reactions require emergency treatment.
Allergy
An allergy is an immune system response to a foreign substance that’s not typically harmful to your body. These foreign substances are called allergens. They can include certain foods, pollen, or pet dander. the presentation deals with the precautions to take, the preventive measures and the types of allergies. Causes of allergy and the common symptoms priovide the awareness whilst diagnosis of allergy is the preventive process.
Allergies
Allergies are caused by an abnormal immune system response to usually harmless substances called allergens. Common allergens include pollen, mold, dust, foods, insect stings, and animal dander. Allergic reactions occur when a person is exposed to an allergen, causing the immune system to produce antibodies that trigger the release of histamine and other chemicals from mast cells, resulting in symptoms like sneezing, itchy eyes, rashes, and more severe reactions like anaphylaxis in some cases. Allergies can be diagnosed through skin or blood tests to identify specific allergens, and are treated with medications that reduce symptoms or immunotherapy to desensitize the immune system.
Allergy
This document discusses allergies and drug-related reactions. It defines allergies and classifications of allergic reactions. It describes the clinical presentations of different types of allergic reactions affecting the skin, respiratory system, cardiovascular system, and generalized anaphylaxis. It provides guidance on modifying dental therapy for patients with drug allergies and outlines management protocols for different allergic reactions, emphasizing the use of epinephrine, antihistamines, corticosteroids, and oxygen. Common drugs used to treat allergic reactions are also listed along with important considerations for differential diagnosis of drug-related conditions.
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Allergy
Allergy is a hypersensitive reaction to foreign substances called antigens that are harmless to most individuals. It affects 15-30% of the global population, many of them children. Allergies can cause symptoms like sneezing and itching and interfere with daily life. Treating allergies costs billions of dollars annually. There are four main types of allergic reactions that involve different immunoglobulins and immune cells. Common allergens come from natural sources like pollen and foods or chemical sources like drugs.
Introduction to allergy
Allergies are becoming increasingly common in Australia for a range of reasons. These slides were developed for a course created to help the community better understand and more effectively manage allergies.
Allergy
The document discusses different types of allergies including food allergies, drug allergies, and chemical allergies. It provides examples of common allergens like milk, coffee, metals, acids, and enzymes that can cause immune system reactions through IgE antibodies and the release of histamine from mast cells. The mechanisms of primary and secondary exposure are described, where the first exposure sensitizes the immune system and subsequent exposures trigger an allergic response through antigen-antibody reactions. Common symptoms of different types of allergies are also outlined.
Allergy Power Point Presentation
The document provides information about allergy diagnostics and testing. It discusses the different types of allergies including food, environmental, occupational and insect allergies. It describes the importance of taking a thorough case history and outlines different diagnostic methods used to identify allergens including skin prick tests, patch tests and allergen-specific IgE blood tests. Accurately identifying the specific allergens responsible for a patient's symptoms is key to successful management and treatment of their condition.
Allergy
The document discusses allergies, describing them as an immune system response to typically harmless foreign substances called allergens, which can trigger inflammation and symptoms. Common allergens include foods, pollen, pet dander, and more. Allergies are diagnosed through tests that detect allergy-causing antibodies. Treatment involves avoiding allergens or using medications like antihistamines to reduce symptoms, while more severe reactions require emergency treatment.
Allergy
An allergy is an immune system response to a foreign substance that’s not typically harmful to your body. These foreign substances are called allergens. They can include certain foods, pollen, or pet dander. the presentation deals with the precautions to take, the preventive measures and the types of allergies. Causes of allergy and the common symptoms priovide the awareness whilst diagnosis of allergy is the preventive process.
Allergies
Allergies are caused by an abnormal immune system response to usually harmless substances called allergens. Common allergens include pollen, mold, dust, foods, insect stings, and animal dander. Allergic reactions occur when a person is exposed to an allergen, causing the immune system to produce antibodies that trigger the release of histamine and other chemicals from mast cells, resulting in symptoms like sneezing, itchy eyes, rashes, and more severe reactions like anaphylaxis in some cases. Allergies can be diagnosed through skin or blood tests to identify specific allergens, and are treated with medications that reduce symptoms or immunotherapy to desensitize the immune system.
Allergy
This document discusses allergies and drug-related reactions. It defines allergies and classifications of allergic reactions. It describes the clinical presentations of different types of allergic reactions affecting the skin, respiratory system, cardiovascular system, and generalized anaphylaxis. It provides guidance on modifying dental therapy for patients with drug allergies and outlines management protocols for different allergic reactions, emphasizing the use of epinephrine, antihistamines, corticosteroids, and oxygen. Common drugs used to treat allergic reactions are also listed along with important considerations for differential diagnosis of drug-related conditions.
Allergic reactions
This document summarizes Type I hypersensitivity reactions (allergic reactions). It discusses:
1) The mechanisms of Type I reactions, including the roles of IgE, mast cells, histamine, and other mediators.
2) The major features of Type I reactions, including immediate hypersensitivity reactions and causes like bee stings, food allergies, and drug allergies.
3) Treatments for Type I reactions including antihistamines, cromolyn sodium, and immunotherapy.
Allergy
IT CREATES AWARENESS AMONG THE GENERAL PUBLIC REGARDING ALLERGY WHICH IS COMMON AMONG ALL & ALSO HELP THE PARAMEDICS & NURSING PERSONNEL TO ENHANCE THEIR KNOWLEDGE & HELP THE EDUCATORS TO TEACH THEIR STUDENTS REGARDING THIS COMMON PROBLEM.
Allergy - fators and treatment
Allergies are abnormal responses to harmless substances called allergens. Common allergens include pollen, dust, animal dander, foods, medications, and cosmetics. Allergic reactions can be localized to the site of contact or generalized throughout the body. Symptoms depend on the type of allergen and include sneezing, itchy eyes, skin rashes, and potentially life-threatening anaphylaxis. Allergies are caused by an overactive immune system producing antibodies called IgE to normally harmless substances. Genetics, environment, and other factors influence a person's susceptibility to developing allergies.
Allergies due to drugs
Drug allergies occur when the immune system has an allergic reaction to a medication. Common symptoms include hives, rashes, swelling of the face or lips, and wheezing. Many antibiotics like penicillin are common causes of drug allergies. Treatment focuses on relieving symptoms with antihistamines, corticosteroids, or epinephrine, and avoiding the drug in the future. While drug allergies cannot be prevented, knowing your allergies and avoiding triggering medications can help prevent dangerous reactions.
Allergy and hypersensitivity
This document discusses allergy and hypersensitivity reactions. It defines allergy as a type I hypersensitivity reaction mediated by IgE antibodies. There are four types of hypersensitivity reactions classified based on the immune mechanisms involved and time taken for the reaction. Type I reactions are immediate and anaphylactic, type II are cytotoxic, type III involve immune complexes, and type IV are cell-mediated or delayed hypersensitivity reactions. The document provides details on the pathophysiology, clinical manifestations, diagnosis and treatment of each type of hypersensitivity reaction.
Allergic diseases SLIDES
1. Allergic diseases affect people throughout their lives and involve multiple organ systems like the skin, eyes, respiratory tract, and gastrointestinal tract.
2. Allergic reactions occur in stages from pre-immunological sensitization to antigen-antibody reactions to the pathological effects of substances like histamine.
3. Diagnosis involves a detailed patient history, physical exams of affected organs, and laboratory tests including blood counts, IgE levels, and skin prick or patch tests to identify specific allergens.
Hypersensitivity or allergic reactions
This document summarizes the four main types of hypersensitivity reactions: Type I (immediate or anaphylactic), Type II (antibody-dependent cytotoxic), Type III (complex-mediated), and Type IV (cell-mediated or delayed). It provides details on the mechanisms, examples, diagnostic tests and treatments for each type of hypersensitivity reaction.
Food allergy , chemical and drug allergy - PHARM D
This document discusses different types of allergies including food allergy, drug allergy, and chemical allergy. Food allergy is an immunologic reaction to specific food proteins with symptoms that can include hives, difficulty breathing, and anaphylaxis. Common food allergens for children are milk, eggs, peanuts, wheat and soy, while for adults it is peanuts, tree nuts, fish and shellfish. Drug allergy is an immunologic response to pharmaceutical agents with risk factors like age, genetics and previous drug reactions. Common causes are antibiotics, aspirin, and chemotherapy. Chemical allergy involves hypersensitivity to chemicals like formaldehyde, pesticides and solvents. Diagnosis is via tests while treatment
Allergy- Laboratory Diagnostic Tests
Allergy testing is important for diagnosis of allergic conditions. Skin prick tests and blood tests like specific IgE tests can help identify triggers. Specific IgE tests like ImmunoCAP are more accurate than total IgE and are not affected by medications, skin conditions, or pregnancy. Phadiatop is a useful screening test to detect sensitization to common inhalants and foods. Positive results on screening tests should be followed up with customized allergen panels based on symptoms and environment. Reference lab data shows significant prevalence of sensitization to common allergens like dust mites, pollens, foods in the local population tested. Proper history and examination along with selection of right allergen panels is key to allergy diagnosis
Food allergy
This document discusses food allergies, including their epidemiology, causes, types (IgE-mediated vs non-IgE-mediated), symptoms, diagnosis, and management. It notes that food allergies are often seen in individuals with other atopic conditions like asthma and eczema. Common food allergens in infants are milk, eggs, and peanuts, while older children often have allergies to peanuts, tree nuts, and fish. Diagnosis involves taking a thorough history and potentially skin prick tests or blood tests to identify allergen-specific IgE antibodies. Management focuses on avoidance of the offending foods and use of emergency medications for severe or anaphylactic reactions.
Introduction of Allergy official.pptx
The document discusses allergies, defining them as abnormal immune responses to harmless substances. It outlines the most common types of allergies including food, skin, dust, pet and drug allergies. Food allergies are among the most prevalent in children and adults. The document then describes the biological process behind allergic reactions, symptoms of different types of reactions, methods for diagnosing allergies including skin and blood tests, common treatments including medications and immunotherapy, signs and symptoms of the severe allergic reaction anaphylaxis, and its treatment.
Drug allergy overview by Dr Mohammad Baghaei
Drug allergy is the term for a group of symptoms caused by an allergic reaction. An allergic reaction occurs when your immune system mistakes the drug for a harmful substance and mounts an inflammatory response that actually harms rather than protects you. Any medication — over-the-counter, prescription or herbal — is capable of inducing a drug allergy. However, a drug allergy is more likely with certain medications
Allergies
This document summarizes how to identify and treat patients experiencing allergic reactions. It discusses the differences between mild allergic reactions and the life-threatening anaphylaxis, including various signs and symptoms. It outlines the steps for assessing, caring for, and monitoring patients, including when to assist with an epinephrine auto-injector. These include obtaining vital signs and history, applying oxygen, reassessing after epinephrine administration, and consulting medical direction if the patient's condition worsens or improves.
Allergy Causes and Tests for Detection by Arijit Pani
Allergies are caused by an exaggerated immune response to usually harmless substances. Common allergens include pollen, dust mites, molds, foods and insect bites. Symptoms vary but include sneezing, rashes and difficulty breathing. Allergies can be detected through skin prick tests, blood tests or patch tests. Avoiding allergens and medications like antihistamines can help treat allergic reactions.
Drug allergy
Drug hypersensitivity results from interactions between a pharmacologic agent and the human immune system.
Immune-mediated drug hypersensitivity reactions typically pose a predictable, more serious health risk with re-exposure to a drug
Drug allergy
A drug allergy occurs when the immune system mistakenly identifies a drug as harmful and launches an allergic reaction. Common symptoms include rash, hives, difficulty breathing, and anaphylaxis in severe cases. While any drug can potentially cause an allergy, certain medications like antibiotics, anti-inflammatories, and chemotherapy drugs are more likely to trigger allergic responses. Avoiding the culprit drug is the best prevention strategy, and antihistamines, corticosteroids, bronchodilators, or epinephrine may be necessary to treat symptoms.
Seasonal Allergies
Seasonal allergies, also known as hay fever, are caused by an allergic reaction to pollen from trees, grasses, and weeds or mold spores. Common symptoms include a runny nose, sneezing, itchy eyes, and congestion. While avoidance of allergens is difficult, medications can help control symptoms, including over-the-counter antihistamines and prescription nasal steroids, decongestants, or sprays. Allergy shots are also available to reduce sensitivity to allergens over time.
Hypersensitivity or Allergic Reactions
DETAILS OF HYPERSENSITIVE REACTIONS INCLUDING SYMPTOMS, ETIOLOGY, DIAGNOSIS, COMPLICATIONS & RISK FACTORS, TYPES OF THE ALLERGIC REACTIONS ETC.
allergy tests.pptx
The document discusses allergy skin testing. It provides details on common allergy symptoms and causes. It then describes different types of skin tests including prick and intradermal tests. Predictive values and contraindications for skin tests are presented. Blood tests for allergy are also discussed. Advantages of skin tests include being fast, safe, sensitive and allowing for identification of allergies in one visit. Risks of skin tests are very low.
Allergy & hypersensitivity
This document discusses allergy and hypersensitivity. It defines allergy as a disorder of the immune system where allergic reactions occur to normally harmless environmental substances known as allergens. Hypersensitivity reactions are excessive, undesirable reactions produced by the normal immune system that require a pre-sensitized immune state. There are four types of hypersensitivity reactions classified by Gell and Coombs based on the mechanisms involved and time taken for the reaction: Type I is an immediate reaction mediated by IgE and mast cells, Type II involves IgG or IgM, Type III involves IgG, complement and immune complexes, and Type IV is a delayed type hypersensitivity mediated by cell-mediated immune memory responses.
Allergy
There are four main types of hypersensitivity reactions:
Type I involves IgE antibodies and leads to immediate allergic reactions. Type II involves IgG antibodies and causes transfusion reactions or hemolytic disease of the newborn. Type III involves immune complexes depositing in tissues causing inflammation. Type IV is a delayed T cell mediated response, seen in reactions like tuberculosis.
Allergy
Mast cells undergo a process called degranulation when activated by allergens, releasing histamine and other chemicals from granules that cause inflammation. IgE antibodies attach to allergens in the body and bind to IgE receptors on mast cells, triggering the release of stored mediators like histamine as well as newly formed chemicals that prolong the inflammatory response.
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Allergic reactions
This document summarizes Type I hypersensitivity reactions (allergic reactions). It discusses:
1) The mechanisms of Type I reactions, including the roles of IgE, mast cells, histamine, and other mediators.
2) The major features of Type I reactions, including immediate hypersensitivity reactions and causes like bee stings, food allergies, and drug allergies.
3) Treatments for Type I reactions including antihistamines, cromolyn sodium, and immunotherapy.
Allergy
IT CREATES AWARENESS AMONG THE GENERAL PUBLIC REGARDING ALLERGY WHICH IS COMMON AMONG ALL & ALSO HELP THE PARAMEDICS & NURSING PERSONNEL TO ENHANCE THEIR KNOWLEDGE & HELP THE EDUCATORS TO TEACH THEIR STUDENTS REGARDING THIS COMMON PROBLEM.
Allergy - fators and treatment
Allergies are abnormal responses to harmless substances called allergens. Common allergens include pollen, dust, animal dander, foods, medications, and cosmetics. Allergic reactions can be localized to the site of contact or generalized throughout the body. Symptoms depend on the type of allergen and include sneezing, itchy eyes, skin rashes, and potentially life-threatening anaphylaxis. Allergies are caused by an overactive immune system producing antibodies called IgE to normally harmless substances. Genetics, environment, and other factors influence a person's susceptibility to developing allergies.
Allergies due to drugs
Drug allergies occur when the immune system has an allergic reaction to a medication. Common symptoms include hives, rashes, swelling of the face or lips, and wheezing. Many antibiotics like penicillin are common causes of drug allergies. Treatment focuses on relieving symptoms with antihistamines, corticosteroids, or epinephrine, and avoiding the drug in the future. While drug allergies cannot be prevented, knowing your allergies and avoiding triggering medications can help prevent dangerous reactions.
Allergy and hypersensitivity
This document discusses allergy and hypersensitivity reactions. It defines allergy as a type I hypersensitivity reaction mediated by IgE antibodies. There are four types of hypersensitivity reactions classified based on the immune mechanisms involved and time taken for the reaction. Type I reactions are immediate and anaphylactic, type II are cytotoxic, type III involve immune complexes, and type IV are cell-mediated or delayed hypersensitivity reactions. The document provides details on the pathophysiology, clinical manifestations, diagnosis and treatment of each type of hypersensitivity reaction.
Allergic diseases SLIDES
1. Allergic diseases affect people throughout their lives and involve multiple organ systems like the skin, eyes, respiratory tract, and gastrointestinal tract.
2. Allergic reactions occur in stages from pre-immunological sensitization to antigen-antibody reactions to the pathological effects of substances like histamine.
3. Diagnosis involves a detailed patient history, physical exams of affected organs, and laboratory tests including blood counts, IgE levels, and skin prick or patch tests to identify specific allergens.
Hypersensitivity or allergic reactions
This document summarizes the four main types of hypersensitivity reactions: Type I (immediate or anaphylactic), Type II (antibody-dependent cytotoxic), Type III (complex-mediated), and Type IV (cell-mediated or delayed). It provides details on the mechanisms, examples, diagnostic tests and treatments for each type of hypersensitivity reaction.
Food allergy , chemical and drug allergy - PHARM D
This document discusses different types of allergies including food allergy, drug allergy, and chemical allergy. Food allergy is an immunologic reaction to specific food proteins with symptoms that can include hives, difficulty breathing, and anaphylaxis. Common food allergens for children are milk, eggs, peanuts, wheat and soy, while for adults it is peanuts, tree nuts, fish and shellfish. Drug allergy is an immunologic response to pharmaceutical agents with risk factors like age, genetics and previous drug reactions. Common causes are antibiotics, aspirin, and chemotherapy. Chemical allergy involves hypersensitivity to chemicals like formaldehyde, pesticides and solvents. Diagnosis is via tests while treatment
Allergy- Laboratory Diagnostic Tests
Allergy testing is important for diagnosis of allergic conditions. Skin prick tests and blood tests like specific IgE tests can help identify triggers. Specific IgE tests like ImmunoCAP are more accurate than total IgE and are not affected by medications, skin conditions, or pregnancy. Phadiatop is a useful screening test to detect sensitization to common inhalants and foods. Positive results on screening tests should be followed up with customized allergen panels based on symptoms and environment. Reference lab data shows significant prevalence of sensitization to common allergens like dust mites, pollens, foods in the local population tested. Proper history and examination along with selection of right allergen panels is key to allergy diagnosis
Food allergy
This document discusses food allergies, including their epidemiology, causes, types (IgE-mediated vs non-IgE-mediated), symptoms, diagnosis, and management. It notes that food allergies are often seen in individuals with other atopic conditions like asthma and eczema. Common food allergens in infants are milk, eggs, and peanuts, while older children often have allergies to peanuts, tree nuts, and fish. Diagnosis involves taking a thorough history and potentially skin prick tests or blood tests to identify allergen-specific IgE antibodies. Management focuses on avoidance of the offending foods and use of emergency medications for severe or anaphylactic reactions.
Introduction of Allergy official.pptx
The document discusses allergies, defining them as abnormal immune responses to harmless substances. It outlines the most common types of allergies including food, skin, dust, pet and drug allergies. Food allergies are among the most prevalent in children and adults. The document then describes the biological process behind allergic reactions, symptoms of different types of reactions, methods for diagnosing allergies including skin and blood tests, common treatments including medications and immunotherapy, signs and symptoms of the severe allergic reaction anaphylaxis, and its treatment.
Drug allergy overview by Dr Mohammad Baghaei
Drug allergy is the term for a group of symptoms caused by an allergic reaction. An allergic reaction occurs when your immune system mistakes the drug for a harmful substance and mounts an inflammatory response that actually harms rather than protects you. Any medication — over-the-counter, prescription or herbal — is capable of inducing a drug allergy. However, a drug allergy is more likely with certain medications
Allergies
This document summarizes how to identify and treat patients experiencing allergic reactions. It discusses the differences between mild allergic reactions and the life-threatening anaphylaxis, including various signs and symptoms. It outlines the steps for assessing, caring for, and monitoring patients, including when to assist with an epinephrine auto-injector. These include obtaining vital signs and history, applying oxygen, reassessing after epinephrine administration, and consulting medical direction if the patient's condition worsens or improves.
Allergy Causes and Tests for Detection by Arijit Pani
Allergies are caused by an exaggerated immune response to usually harmless substances. Common allergens include pollen, dust mites, molds, foods and insect bites. Symptoms vary but include sneezing, rashes and difficulty breathing. Allergies can be detected through skin prick tests, blood tests or patch tests. Avoiding allergens and medications like antihistamines can help treat allergic reactions.
Drug allergy
Drug hypersensitivity results from interactions between a pharmacologic agent and the human immune system.
Immune-mediated drug hypersensitivity reactions typically pose a predictable, more serious health risk with re-exposure to a drug
Drug allergy
A drug allergy occurs when the immune system mistakenly identifies a drug as harmful and launches an allergic reaction. Common symptoms include rash, hives, difficulty breathing, and anaphylaxis in severe cases. While any drug can potentially cause an allergy, certain medications like antibiotics, anti-inflammatories, and chemotherapy drugs are more likely to trigger allergic responses. Avoiding the culprit drug is the best prevention strategy, and antihistamines, corticosteroids, bronchodilators, or epinephrine may be necessary to treat symptoms.
Seasonal Allergies
Seasonal allergies, also known as hay fever, are caused by an allergic reaction to pollen from trees, grasses, and weeds or mold spores. Common symptoms include a runny nose, sneezing, itchy eyes, and congestion. While avoidance of allergens is difficult, medications can help control symptoms, including over-the-counter antihistamines and prescription nasal steroids, decongestants, or sprays. Allergy shots are also available to reduce sensitivity to allergens over time.
Hypersensitivity or Allergic Reactions
DETAILS OF HYPERSENSITIVE REACTIONS INCLUDING SYMPTOMS, ETIOLOGY, DIAGNOSIS, COMPLICATIONS & RISK FACTORS, TYPES OF THE ALLERGIC REACTIONS ETC.
allergy tests.pptx
The document discusses allergy skin testing. It provides details on common allergy symptoms and causes. It then describes different types of skin tests including prick and intradermal tests. Predictive values and contraindications for skin tests are presented. Blood tests for allergy are also discussed. Advantages of skin tests include being fast, safe, sensitive and allowing for identification of allergies in one visit. Risks of skin tests are very low.
Allergy & hypersensitivity
This document discusses allergy and hypersensitivity. It defines allergy as a disorder of the immune system where allergic reactions occur to normally harmless environmental substances known as allergens. Hypersensitivity reactions are excessive, undesirable reactions produced by the normal immune system that require a pre-sensitized immune state. There are four types of hypersensitivity reactions classified by Gell and Coombs based on the mechanisms involved and time taken for the reaction: Type I is an immediate reaction mediated by IgE and mast cells, Type II involves IgG or IgM, Type III involves IgG, complement and immune complexes, and Type IV is a delayed type hypersensitivity mediated by cell-mediated immune memory responses.
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Food allergy , chemical and drug allergy - PHARM D
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Allergy
There are four main types of hypersensitivity reactions:
Type I involves IgE antibodies and leads to immediate allergic reactions. Type II involves IgG antibodies and causes transfusion reactions or hemolytic disease of the newborn. Type III involves immune complexes depositing in tissues causing inflammation. Type IV is a delayed T cell mediated response, seen in reactions like tuberculosis.
Allergy
Mast cells undergo a process called degranulation when activated by allergens, releasing histamine and other chemicals from granules that cause inflammation. IgE antibodies attach to allergens in the body and bind to IgE receptors on mast cells, triggering the release of stored mediators like histamine as well as newly formed chemicals that prolong the inflammatory response.
Asthma presentation
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- Asthma is a chronic lung condition that affects over 3 million Canadians, with no cure but it can be managed. It involves inflammation and narrowing of the airways.
- Symptoms include coughing, shortness of breath, wheezing and chest tightness and are caused by bronchioconstriction in response to triggers.
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Autacoids
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- Asthma is a chronic lung condition that affects over 3 million Canadians and cannot be cured but can be managed. It causes reversible airway obstruction and symptoms include coughing, shortness of breath, wheezing, and chest tightness.
- Asthma symptoms are triggered by factors like allergens, infections, exercise, air pollution, emotions, and medications. Exercise is a trigger for 90% of people with asthma.
- Asthma is treated through medications like rescue inhalers to quickly reverse symptoms and preventive controller medications to reduce inflammation and prevent symptoms. Proper medication use and trigger avoidance can help asthma be managed.
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Semelhante a Types of Allergies
Untitled document (2).pdf
An allergy is a condition in which the body’s immune system reacts to a substance that is typically harmless. When the body comes into contact with the allergen, it releases histamine, a chemical that leads to symptoms such as sneezing, itching, and swelling. allergies can be caused by a variety of things, including pollen, pet dander, dust, and certain foods. Some people have such severe allergies that they can go into anaphylactic shock, which can be life-threatening.
Allergies
Allergies are caused by an abnormal immune system response to usually harmless substances called allergens. Common allergens include pollen, mold, dust, foods, insect stings, and animal dander. Allergic reactions occur when a person is exposed to an allergen, causing the immune system to produce antibodies that trigger the release of histamine and other chemicals from mast cells, resulting in symptoms like sneezing, itchy eyes, rashes, and more severe reactions like anaphylaxis in some cases. Allergies can be diagnosed through skin or blood tests to identify specific allergens, and are treated with medications that reduce symptoms or immunotherapy to desensitize the immune system.
The allergies
The document discusses allergies, which occur when the immune system reacts to normally harmless substances called allergens. Common allergens include pollen, animal dander, foods, insect bites, medicines, and plants. Allergic reactions can affect the skin, respiratory tract, sinuses, and digestive system, causing symptoms ranging from mild to severe like hives, swelling, coughing, wheezing, and anaphylaxis. Allergies are caused by both genetic and environmental factors. Avoiding allergens is the best prevention strategy when possible.
Allergy elements
Allergy is a complication that occurs when the immune system overreacts to certain substances known as allergens
Allergy assignment
The document discusses allergies, defining them as immune responses to normally harmless substances. It describes common allergen types like pollen, dust, foods and identifies symptoms like sneezing, watery eyes. Allergens are classified by their route of exposure - inhaled, injected, ingested, contacted. Diagnosis involves skin prick or patch tests. Treatment includes avoidance, medications like antihistamines, decongestants, steroids and immunotherapy injections.
Presentation serology.pptx
This document discusses allergies and allergens. It defines allergies as an abnormal immune response and describes common allergens like pollen, mold, dust and foods. It then covers different types of allergies and their symptoms. Diagnosis methods like skin prick tests are outlined along with treatments using medications and immunotherapy. Anaphylaxis is defined as a severe allergic reaction requiring epinephrine. Finally, different categories of allergens are defined such as inhalant, ingestant, contactant and their examples are provided.
Allergy
Allergies are caused by an exaggerated immune response to typically harmless substances. Symptoms can include red eyes, sneezing, rashes and more. Allergens can enter the body through the skin, mouth or nose. Common signs are itchy, watery eyes and coughing. Managing allergies involves avoiding triggers, using prescribed medicines and keeping epinephrine auto-injectors accessible for severe reactions. Keeping a diary can help identify causes.
Allergic Rhinitis.pptx
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Power Point 3 "Allergies" by Sandra Landinguin
An allergy is an exaggerated reaction by the immune system to substances that are usually harmless. These substances are called allergens and can include pollen, dust mites, mold, certain foods, insect stings, latex, medications, and fragrances. Common allergic conditions affect the eyes, nose, lungs, skin, and stomach and include allergic rhinitis, asthma, allergic conjunctivitis, and hives. Anaphylaxis is a severe and potentially life-threatening allergic reaction that can affect the entire body. Preventing exposure to allergens and proper treatment of symptoms are important for managing allergic conditions.
anaphylaxis-140426114048-phpapp02 (1).pdf
This document discusses anaphylaxis, a severe and potentially life-threatening allergic reaction. It defines anaphylaxis and explains that it is a type 1 hypersensitivity reaction caused by the immune system overreacting to normally harmless substances. Symptoms can affect multiple body systems like the skin, respiratory and digestive systems. Diagnosis is based on clinical criteria of symptoms occurring within minutes or hours of exposure. Treatment involves epinephrine and other emergency measures, with prevention being avoidance of triggering allergens.
Anaphylaxis
This document discusses anaphylaxis, a severe and potentially life-threatening allergic reaction. It defines anaphylaxis and explains that it is a type 1 hypersensitivity reaction caused by the immune system overreacting to harmless substances. Symptoms can affect multiple body systems like the skin, respiratory and digestive systems. Prompt treatment with epinephrine and other emergency measures is needed. Prevention involves avoiding triggers and carrying epinephrine auto-injectors if at risk.
From your own words not copy past from internet please Talked about.pdf
From your own words not copy past from internet please Talked about\" allergies\".
Thanks.
Solution
Dear User, you have not mentioned the words limit in your question. so, a brief description of
Allergies is provided below in my own words.
Answer) Allergies are referred to several reactions or response as an outcome of hypersensitive
reaction of our body’s immune system, when exposed to several allergic substances. these
allergic substances are called as allergen. there are number of common allergens such as Dust
mites, Pollens, Insect stings, Pet dander, Mold spores, Food, household chemicals and
Medicines. these substances are not always allergic as the other people are not allergic to them,
but some people are allergic to them. our immune system makes antibodies against the foreign
particles entering our body. in case, when our immune system is weak (particularly in children) it
is possible that encounter of such allergic substances during weak immunity may result in
hypersensitive reaction. this first-time hypersensitive response is called as acute response when
our immune system starts making antibodies against those substances. further multiple exposures
to same allergens result in a higher response and the person becomes allergic to those substances.
symptoms of allergies are sneezing, wheezing and coughing, a running nose or blocked nose, a
red itchy rash, red itchy watery eyes. these symptoms can be observed within minutes of
exposure to allergens. generally, these responses are mild but a prolonged hypersensitive reaction
may result in anaphylaxis or anaphylactic shock which is a medical emergency.
As per studies, one out of five American is affected with some sort of allergies. and the allergies
are more commonly observed in the developed countries. there are different diagnostic tests to
identify whether a person has an allergic response to possible allergens or not. these tests include
patch testing, skin prick testing, blood testing etc. in these tests, a much smaller dose of allergen
is provided to the person to observe the immune response. once a person is identified allergic to
certain substance, it is consulted to avoid the exposure to those substances. while, in case of
sudden exposure they are provided with the medications such as antihistamines, epinephrine and
glucocorticoids etc. under certain limitations, immunotherapy is also provided as treatment
against and asthma and allergies to insect bites..
Clinical pharmacy in Immunoallergology Medical diseases
Allergies are caused by an overactive immune system response to harmless substances called allergens. Common allergies include hay fever, asthma, eczema, and food allergies. When a person is exposed to an allergen, mast cells release histamine which causes symptoms like sneezing, itchy eyes, and skin rashes. Allergic reactions can range from mild symptoms to the potentially life-threatening condition of anaphylaxis. Treatment involves avoiding allergens and using medications like antihistamines to reduce symptoms.
Allergy.pdf
When your immune system reacts to a food or substance that typically doesn’t trigger a reaction in most people, such as pollen, bee venom, or pet dander, allergies might develop. Your body creates molecules called antibodies.
(Allergy) pharmacognosy
Allergy occurs when the immune system reacts to normally harmless substances called allergens. Common allergens include pollen, dust mites, animal dander, foods and medications. The immune system produces IgE antibodies that mistakenly identify allergens as harmful. When a person is exposed to an allergen, the antibodies trigger an inflammatory response causing allergy symptoms. Allergies can be classified based on the route of exposure such as inhaled, ingested or contact allergens. Skin testing and blood tests can help identify specific allergens causing a person's symptoms. Treatments include avoidance of allergens and medications that reduce inflammation.
Epipen
The document provides training on recognizing and treating anaphylaxis reactions using epinephrine auto-injectors (EpiPens). It outlines symptoms of anaphylaxis, potential allergens like foods, insects and medications. It details steps for EpiPen administration including obtaining, storing and handling the device. Trainees learn to follow the "Five Rights" of using epinephrine - having the right student, medication, dose, route of injection and timely administration. Responding to reactions may require activating emergency services and locating additional trained staff.
Allergy.
This document provides an overview of allergies, including their causes, types, symptoms, treatment options, and prevention strategies. It defines allergies as an abnormal immune response to usually harmless substances. Common types of allergies are food, environmental, drug, and seasonal allergies. Symptoms can range from sneezing and runny nose to life-threatening conditions. Treatment involves medications, allergen avoidance, and immunotherapy. Prevention emphasizes lifestyle changes, clean indoor environments, and safely enjoying outdoor activities.
Unit IV
This document discusses altered immune response and related topics. It begins by defining immunity and describing the two main types: innate and adaptive immunity. It then discusses specific topics in depth, including:
- The four types of hypersensitivity reactions (immediate, antibody-mediated, immune complex-mediated, cell-mediated)
- Common allergic disorders like anaphylaxis, allergic rhinitis, contact dermatitis, and their symptoms and treatments
- Autoimmune diseases like rheumatoid arthritis and systemic lupus erythematosus, how they are assessed and managed
It provides details on immune system function, complications of altered immune response, and the nursing management of patients with these conditions.
Immunology and allergy
Allergy and immunology involves the management of disorders related to the immune system. These conditions range from the very common to the very rare, spanning all ages and encompassing various organ systems. Diseases typically seen by an allergist/immunologist (often referred to simply as an "allergist") include:
Allergic diseases of the eye, such as allergic conjunctivitis
Respiratory tract-related conditions such as allergic rhinitis, sinusitis, asthma, hypersensitivity pneumonitis and occupational lung diseases
Gastrointestinal disorders caused by immune responses to foods, including eosinophilic esophagitis or gastroenteritis, and food protein-induced enteropathies
Skin-related allergic conditions such as atopic dermatitis, contact dermatitis, acute and chronic urticaria, or angioedema
Adverse reactions to foods, drugs, vaccines, stinging insects and other agents
Diseases primarily affecting the immune system, including primary immune deficiencies such as severe combined immune deficiency syndromes, antibody deficiencies, complement deficiency, phagocytic cell abnormalities, or other impairments in innate immunity and acquired immune deficiency
Systemic diseases including anaphylaxis and systemic diseases involving mast cells or eosinophils
Diseases associated with autoimmune responses to self-antigens, such as auto-inflammatory syndromes
Stem cell, bone marrow and/or organ transplantation
Allergists may practice in dedicated allergy-related clinical settings and frequently provide consultative services to other physicians and hospitals. Some allergists combine their subspecialized training with general internal medicine practice.
Hay fever allergy
This document discusses hay fever and respiratory allergies in children. It explains that allergies occur when the immune system mistakenly identifies harmless substances like pollen as threats. This causes the release of antibodies and histamine, resulting in allergy symptoms. Common symptoms in children include sneezing, coughing, itchy eyes and throat. Allergies are often linked to underlying health issues and can be managed but not avoided through natural and safe remedies. Left untreated, allergies can negatively impact children's ability to focus and participate in daily activities.
Semelhante a Types of Allergies (20)
From your own words not copy past from internet please Talked about.pdf
From your own words not copy past from internet please Talked about.pdf
Clinical pharmacy in Immunoallergology Medical diseases
Clinical pharmacy in Immunoallergology Medical diseases
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Types of Allergies
- 2. Allergy : An allergy is a specific reaction of the body's immune system to a normally harmless substance, one that does not bother most people. People who have allergies often are sensitive to more than one substance. Allergic reaction : Normally, the immune system functions as the body's defense against invading germs such as bacteria and viruses. In most allergic reactions, however, the immune system is responding to a false alarm. When an allergic person first comes into contact with an allergen, the immune system treats the allergen as an invader and gets ready to attack.
- 3. The signs and symptoms of airborne allergies are familiar to many: Sneezing, often with a runny or clogged nose Coughing and postnasal drip Itching eyes, nose, and throat Watering eyes Conjunctivitis
- 4. TYPES OF ALLERGIES : Food Allergy Pollen Allergy Mold allergy Dust Mite Allergy Animal Allergy Cockroach allergy Smoke Allergy
- 5. Severe allergic reactions (anaphylaxis) need to be treated with a medicine called epinephrine, which can be life saving when given right away. If you use epinephrine, call 911 and go straight to the hospital. The best way to reduce symptoms is to avoid what causes your allergies. This is especially important for food and drug allergies. There are several types of medications to prevent and treat allergies. Which medicine your doctor recommends depends on the type and severity of your symptoms, your age, and overall health. Illnesses that are caused by allergies (such as asthma, hay fever, and eczema) may need other treatments.