antihistaminic

[ an-tee-his-tuh-min-ik, an-tahy- ]
/ ˌæn tiˌhɪs təˈmɪn ɪk, ˌæn taɪ- /
Biochemistry, Pharmacology

adjective

of or relating to an antihistamine or its effect.

noun

an antihistaminic agent, as a drug.

Origin of antihistaminic

First recorded in 1945–50; antihistamine + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for antihistaminic

antihistaminic

[ ăn′tē-hĭs′tə-mĭnĭk ]

adj.

Tending to neutralize or antagonize the action of histamine or inhibit its production in the body.

n.

An antihistaminic drug.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.