Chlorpheniramine (CPM): uses, side effects & brands
Written & medically reviewed by Dr. Sanjay Anbu, MBBS· Last reviewed
Chlorpheniramine is an older sedating antihistamine, common in cold and cough combinations. It belongs to the Antihistamine (allergy) group. Antihistamines relieve allergy symptoms such as sneezing, itching, runny nose and hives.
Not a prescription — no dose shown. The right dose of chlorpheniramine depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.
Frequently asked questions
Which antihistamines are non-drowsy?
Newer ones like fexofenadine, loratadine and bilastine cause little drowsiness, while older ones like chlorpheniramine and hydroxyzine are more sedating.
Can I take antihistamines every day?
Newer ones are generally safe for daily use in allergy seasons; discuss long-term use with a doctor.
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.