antihistaminic

(redirected from anti histaminic)
Also found in: Dictionary.

antihistaminic

 [an″te-, an″ti-his-tah-min´ik]
1. counteracting the effects of histamine.

an·ti·his·ta·min·ic

(an'tē-his-tă-min'ik),
1. An agent that antagonizes actions of histamine. Physiologic manifestations of histamine release are determined by the subclass of histamine receptors (H1 or H2) found on tissue. Antistaminics may selectively block the effects of histamine for one receptor subclass or the other.
2. An agent that relieves symptoms of allergy (H1 antagonist) or gastric hyperacidity (H2 antagonist).

antihistaminic

/an·ti·his·ta·min·ic/ (-his-tah-min´ik)
1. counteracting the effect of histamine.

antihistaminic

adjective Referring to an agent or mechanism that counters histamine.

noun An anti-histaminic agent, see there.

an·ti·his·ta·min·ic

(an'tē-his-tă-min'ik)
1. Tending to neutralize or antagonize the action of histamine or to inhibit its production in the body.
2. An agent having such an effect, used to relieve allergy symptoms.

an·ti·his·ta·min·ic

(an'tē-his-tă-min'ik)
1. An agent that antagonizes actions of histamine.
2. An agent that relieves symptoms of allergy (H1 antagonist) or gastric hyperacidity (H2 antagonist).

antihistaminic (an´tīhistəmin´ik),

adj referring to a drug that acts to prevent or antagonize the pharmacologic effects of histamine released in the tissues.

antihistaminic

1. counteracting the pharmacological effects of histamine.
2. an antihistamine.