
synthetic drug used to counteract the histamine reaction, as in allergies. Chlorpheniramine, introduced into medicine in 1951, is administered orally ...
Found on
http://www.britannica.com/eb/a-z/c/75

<chemical> A histamine h1 antagonist used in allergic reactions, hay fever, rhinitis, urticaria, and asthma. It has also been used in veterinary applications. One of the most widely used of the classical antihistaminics, it generally causes less drowsiness and sedation than promethazine. ... Pharmacological action: anti-allergic agents, antip...
Found on
http://www.encyclo.co.uk/local/20973

(klor″fәn-ir´ә-mēn) an antihistamine with sedative and anticholinergic effects; used orally or by injection as the maleate salt in the treatment of nasal, eye, and skin manifestations of allergic reactions, including allergic rhinitis, conjunctivitis, and itching, and orally as the maleate or tann...
Found on
http://www.encyclo.co.uk/local/21001

An antihistamine.
Found on
https://www.encyclo.co.uk/local/22445

an antihistaminic compound, CHClNO, used in treating the symptoms of allergies.
Found on
https://www.infoplease.com/dictionary/chlorpheniramine
No exact match found.