H1 antagonists, also called H1 blockers, are a class of medications that block the action of histamine at the H1 receptor, helping to relieve allergic...

receptor antagonist or an inverse agonist at histamine receptors. Only a few currently marketed H1-antihistamines are known to function as antagonists. Histamine...

It is a first generation selective H1 antagonist. Dimetindene is an atypical first generation H1 antagonist as it only minimally passes across the...

"antihistamine" typically refers to H1 antagonists, which relieve allergic reactions. Like the H1 antagonists, some H2 antagonists function as inverse agonists...

An H3 receptor antagonist is a type of antihistaminic drug used to block the action of histamine at H3 receptors. Unlike the H1 and H2 receptors which...

antipsychotics, which are purely dopamine antagonists). They include, but are not limited to: Cyproheptadine blocks 5-HT2A, H1 and is a mild anticholinergic. Methysergide...

classified as antagonists of histamine H1 receptors have been reclassified as inverse agonists. Many antagonists are reversible antagonists that, like most...

(2013). "Review of the histamine system and the clinical effects of H1 antagonists: basis for a new model for understanding the effects of insomnia medications"...

swelling, severe dizziness, and trouble breathing. Meclizine is an antagonist at H1 receptors (Ki = 250 nM). It possesses anticholinergic, central nervous...

and stimulation of sensory nerve endings (causing itching and pain). H1 antagonists, commonly known as antihistamines, are used to alleviate symptoms of...