Antihistamine
Drugs that bind to but do not activate histamine receptors, thereby blocking the actions of histamine or histamine agonists. Classical antihistaminics block the histamine H1 receptors only.
Drugs that bind to but do not activate histamine receptors, thereby blocking the actions of histamine or histamine agonists. Classical antihistaminics block the histamine H1 receptors only.
MESH:D006633
http://purl.bioontology.org/ontology/MESH/D006633
Sufficient
Antihistamines, Histamine Antagonists, Histamine Antagonist