Effects mediated by H1 histamine receptor include
The H1 receptor is a histamine receptorbelonging to the family of rhodopsin-like G-protein-coupled receptors.This receptor is activated by the biogenic amine histamine. It is expressed in smooth muscles, on vascular endothelial cells, in the hea, and in the central nervous system. Refer kDT 7/162
Inhibition of gastric acid secretion
Induction of hepatic cytochrome P450 enzyme
Maintaince of a wakeful state
Vasoconstriction of aerioles
Autacoids