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Rarediphenhydramine
The correct spelling is diphenhydramine.
How to pronounce diphenhydramine
noun
Say it like: Dif-enh-ydr-ami-ne
The correct spelling is diphenhydramine. An antihistamine and anticholinergic drug that blocks the effect of histamine at H1 receptor sites, relieving allergy symptoms. Diphenhydramine also reduces smooth muscle contra…
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Definition
noun
- 1.An antihistamine and anticholinergic drug that blocks the effect of histamine at H1 receptor sites, relieving allergy symptoms. Diphenhydramine also reduces smooth muscle contraction, increases heart rate, and sedates the user by blocking muscarinic acetylcholine receptors (mAChRs).
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