Chlorpheniramine 4mg tablets are used to relieve symptoms of allergies, such as sneezing, runny nose, and itchy or watery eyes. Chlorpheniramine is an antihistamine that works by blocking histamine, a chemical involved in allergic reactions.

Precautions include avoiding use if you have severe liver conditions, are pregnant, or are breastfeeding without consulting your healthcare provider. Be cautious when using with other medications that may cause drowsiness or interact with chlorpheniramine.

Take Chlorpheniramine 4mg tablets as directed by your healthcare provider, usually every 4-6 hours as needed. Follow the prescribed dosage and do not exceed the recommended amount.

Possible side effects may include drowsiness, dry mouth, dizziness, or gastrointestinal discomfort. If you experience severe side effects or any signs of an allergic reaction, such as rash or difficulty breathing, seek medical attention immediately.