Definition of Antihistamine

1. Noun. A medicine used to treat allergies and hypersensitive reactions and colds; works by counteracting the effects of histamine on a receptor site.

Specialized synonyms: Actifed, Brompheniramine Maleate, Dimetane, Chlor-trimeton, Chlorpheniramine Maleate, Coricidin, Cyproheptadine, Periactin, Dimenhydrinate, Dramamine, Dimetapp, Benadryl, Diphenhydramine, Antivert, Meclizine, Meclizine Hydrochloride, Methapyrilene, Pheniramine, Phenyltoloxamine, Phenergan, Promethazine, Pyrilamine
Generic synonyms: Medicament, Medication, Medicinal Drug, Medicine

Definition of Antihistamine

1. [n -S]

Medical Definition of Antihistamine

1. A drug that counteracts the action of histamine. The antihistamines are of two types. The conventional ones, as those used in allergies, block the H1 histamine receptors, whereas the others block the H2 receptors. Synonym: antihistaminic. (18 Nov 1997)

Lexicographical Neighbors of Antihistamine

antihemophilic globulin B
antihemophilic plasma
antihemorrhagic
antihemorrhagic factor
antihemorrhagic factor
antihemorrhagic vitamin
antihero
antiheroes
antiheroic
antiheroine
antiheroines
antiherpes
antihidrotic
antihijack
antihistamine (current term)
antihistamine (current term)
antihistamines
antihistamines
antihistaminic
antihistaminic
antihistaminics
antihistorical
antihomosexual
antihormones
antihuman
antihumanism
antihumanisms
antihumanistic
antihuman globulin
antihunter

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