diphenhydramines

A form of diphenhydramine — An antihistamine and anticholinergic drug that blocks the effect of histamine at H₁ receptor sites, relieving allergy symptoms. It also reduces smooth muscle contraction, increases heart rate, and sedates the user by blocking muscarinic acetylcholine receptors (mAChRs).

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Meanings

noun
  1. pluralplural of diphenhydramine
Cite this entry
APA

diphenhydramines. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/diphenhydramines

MLA

“diphenhydramines.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/diphenhydramines. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “diphenhydramines,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/diphenhydramines.

Source: diphenhydramines on Wiktionary, CC BY-SA 4.0.