OTC
Antihistamine
Chlorphenamine Maleate
Last reviewed April 2026
Who is this for?
What is this drug?
Chlorphenamine (also called chlorpheniramine) is an antihistamine that works by blocking a natural substance called histamine in your body, which is responsible for causing allergic reactions like sneezing, itching, and watery eyes.
What is it used for?
Allergiessneezingrunny noseitchy or watery eyesskin rashhives (urticaria)insect bite reactionshay feveritching from medications or food reactions
Available Over The Counter
Available at pharmacies without a prescription. Rules may vary by country.