Allergies arise when immune system reacts to foreign body.
The immune system produces substances known as antibodies that protect us from unwanted invaders which could make us sick or cause an infection. When one comes into contact with the allergen, the response of the immune system can inflame skin, sinuses, airways or digestive system.
The severity of allergies varies from one person to another and can range from trivial irritation to a potentially life threatening emergency. While most allergies cannot be cured, a number of treatments can assist get rid of allergy symptoms
3. Up to the 19th
century
Few cases of allergic cold
Increasing rapidly
More in the westernized countries
4. Allergic diseases
• Disturbing to the patient
• Occassionally fatal
• Alarming facts
* observation of new allergies
* nuts, soya, latex, gelatin and other
• What is allergy?
5. When the body encountes an allergen
An allergen is a protein different from the body
36. Most common allergenic foods
• Milk
• Wheat
• Egg
• Soy
• Peanut
• Tree nuts
• Fish & shellfish
• Any foods can theoretically trigger allergies
37. Cross-reactions may occur
• Wheat and other grains
• Soy and other legumes
• Cow’s milk & horse, sheep, goat’s milk
• Different tree nuts
• Nuts and peanuts
• Pollen & some fruit
• Latex and avocado, kiwi, chestnut, banana
• Otal allergy syndrome
38. Anaphylaxis –food induced
Foods most commonly implicated
• Eggs
• Wheat
• Milk
• Peanuts
• Fish
• Shellfish
• Nuts
Celery
Seeds
Legumes
Guar gum
Rice
Many others
40. Exercise induced Anaphylaxis
• Anaphylaxis occurring after exercise, when
certain foods are eaten prior or after
exercising
• Common culprits: Wheat,cereals, celery,
fruit,vegetables, shellfish
41. • Watch out for: “may contain”
• It only takes a minute grain to react
• Nuts/egg/ sea food life time allergies
• Cold. Ice
• Food addtives & preservatives
• Caffeined in foods, medication, tea, coffee
Coca-Cola, nausea and tremors.
• Salicylates
• Induce urticaria, asthma and nasal polyps
to develop
• Curry powder, dried herbs, vegetable and
fruit skins, tea and almonds
42. Food Intolerances
• Enzyme deficiencies
• Food poisoning
• Intestinal fermentation
• Food aversions
• Pharmacological reactions- reactions to
chemicals in foods or additives. Reactions are
dose dependent and can be cumulative.
43. Do the right thing
• Don’t just restrict your freedom of eating a wide
variety of foods
• Do seek professional help to investigate the
symptoms you have
• The cause may not always be what you think!
• Remember- it can take up to 36-48 hours for some
reactions to develop – even longer in some
conditions