An antihistamine drug used to relieve the symptoms of allergies such as urticaria and allergic rhinitis (hay fever).Clemastine can cause drowsiness. Health Source: BMA Medical Dictionary Author: The British Medical Association
n. an antihistamine used for the treatment of symptoms of hay fever and urticaria. Common side-effects are dizziness, sleepiness, and stomach upset. Health Source: Oxford | Concise Colour Medical Dictionary Author: Jonathan Law, Elizabeth Martin
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