This document provides information about the drug GUAPHANOM 100ML SYRUP. It contains guaifenesin to reduce cough frequency and dextromethorphan hydrobromide to elevate the cough threshold. It temporarily relieves coughs due to minor throat and bronchial irritation from colds. It should not be used for persistent coughs without a doctor's guidance or by children under 6 years old. Common side effects include drowsiness, dizziness and gastrointestinal issues. Precautions are outlined around use in pregnancy, lactation, with other medications, and maximum daily dosage.