强大的单胺受体拮抗剂和再摄取抑制剂;Potent monoamine receptor antagonist and reuptake inhibitor;Doxepin hydrochloride is a highly potent Histamine H1 Receptor (histamine H1) antagonist. Doxepin hydrochloride also binds to histamine H4 receptor. Doxepin hydrochloride is an inhibitor of AR and mAChR M.;Doxepin hydrochloride is a highly potent Histamine H1 Receptor (histamine H1) antagonist. Doxepin hydrochloride also binds to histamine H4 receptor. Doxepin hydrochloride is an inhibitor of AR and mAChR M.