diphenhydramine
English
editEtymology
editFrom diphen(yl) + (benz)hydr(yl) + -amine.
Pronunciation
edit- (Received Pronunciation) IPA(key): /ˌdʌɪ.fɛnˈhʌɪ.dɹəm.iːn/
- (General American) IPA(key): /ˌdaɪˌfɛnˈhaɪ.dɹəˌmiːn/
Noun
editdiphenhydramine (countable and uncountable, plural diphenhydramines)
- (pharmacology) 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).
Translations
editantihistamine and sedative drug
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References
edit- “diphenhydramine”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
- “diphenhydramine”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.