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diphenhydramine


di·phen·hy·dra·mine

noun \ˌdī-ˌfen-ˈhī-drə-ˌmēn\

Definition of DIPHENHYDRAMINE

: an antihistamine used especially in the form of its hydrochloride C17H21NO·HCl to treat allergy symptoms and motion sickness and to induce sleep—see benadryl

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