An organic heterotricyclic compound that is 4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one which is substituted at position 4 by a 1-methylpiperidin-4-ylidene group. A blocker of histamine H1 receptors with a stabilising action on mast cells, it is used (usually as its hydrogen fumarate salt) for the treatment of asthma, where it may take several weeks to exert its full effect.
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This entity has been manually annotated by the ChEBI Team.
H1-receptor antagonists are the drugs that selectively bind to but do not activate histamine H1 receptors, thereby blocking the actions of endogenous histamine.
H1-receptor antagonists are the drugs that selectively bind to but do not activate histamine H1 receptors, thereby blocking the actions of endogenous histamine.