Assertion: diphenhydramine | /r/CapableOf | inhibit the histamine-1 h1receptor
Facets:
value: competitively
type: MANNER
Source sentences:
text: Diphenhydramine competitively inhibits the histamine-1 (H1) receptor, thereby alleviating the symptoms caused by endogenous histamine on bronchial, capillary and gastrointestinal smooth muscles.