<unk>  works by acting as an antagonist of histamine H1 receptors. It also functions as a moderately effective anticholinergic agent, and is likely an antimuscarinic agent similar to other common antihistamines such as diphenhydramine.<unk>  is metabolised by cytochrome P450 isoenzymes in the liver.
Brompheniramine
Nicergoline
Cabergoline
Bupranolol
Agomelatine
Beclamide
Clonidine
Avacopan