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diphenhydramines

diphenhydramines is the plural of diphenhydramine.

Meaning of diphenhydramine

Noun

diphenhydramine (countable and uncountable, plural diphenhydramines)

  1. 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).
    • Diphenhydramine is a convenient and cheap antihistamine for use, but there are other drugs that do not make the user tired.
    Synonyms:
    ZzzQuil, Benadryl

Questions about diphenhydramines

What is diphenhydramines the plural of?
Diphenhydramines is the plural of diphenhydramine.

Words near diphenhydramines in the dictionary

  1. diphenamid
  2. diphenan
  3. diphenanthrene
  4. diphencyprone
  5. diphenhydramine
  6. diphenhydramines
  7. diphenic
  8. diphenidine
  9. diphenidol
  10. diphenism
  11. diphenol

Source and license

Adapted from Wiktionary: diphenhydramines (page history and authors); diphenhydramine (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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