《英文msh词典》Hydrochloride,Papaverine
[入口词] Hydrochloride,Papaverine
[主题词] Papaverine
[药动学] Vasodilator Agents
[英文释义] An alkaloid found in opium but not closely related to the other opium alkaloids in its structure or pharmacological actions. It is a direct-acting smooth muscle relaxant used in the treatment of impotence and as a vasodilator,especially for cerebral vasodilation. The mechanism of its pharmacological actions is not clear,but it apparently can inhibit phosphodiesterases and it may have direct actions on calcium channels.