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diphenhydramine

DEFINITIONS OF: diphenhydramine

1

n antihistamine (trade name Benadryl) used to treat allergic reactions involving the nasal passages (hay fever) and also to treat motion sickness

Synonyms:
Benadryl
Type of:
antihistamine
a medicine used to treat allergies and hypersensitive reactions and colds; works by counteracting the effects of histamine on a receptor site
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