antihistamines

Cultural

Drugs that counteract the effects of a substance in the body called histamine. The body releases histamine, which causes many of the symptoms associated with allergies (sneezing, watery eyes, runny nose), in response to external agents such as pollen.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

At this point, my antihistamines have started to wear off.

From The Wall Street Journal • Apr. 6, 2026

The first-aid kit in your “go-bag” should have standard supplies, but double-check that you’ve got bandages and gauze, medical tape, antibiotic cream, antacids, anti-diarrhea medications, antihistamines and over-the-counter pain relievers.

From Los Angeles Times • Jan. 8, 2025

Symptoms for many people with CSU can be completely controlled by regular treatment with antihistamines.

From Science Daily • May 21, 2024

They went to the wellness center on the first floor of Amazon’s warehouse and were given a clean shirt and antihistamines, according to the complaint.

From Seattle Times • Dec. 4, 2023

I was lathered up in calamine lotion and had swallowed a bucketful of antihistamines with my morning orange juice.

From "City of the Plague God" by Sarwat Chadda

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023