《英文msh词典》Hydrochloride,Guanfacine
[入口词] Hydrochloride,Guanfacine
[主题词] Guanfacine
[药动学] Sympatholytics
[英文释义] A centrally acting antihypertensive agent. The drug lowers both systolic and diastolic blood pressure by activating the central nervous system alpha-2 adrenoreceptors,which results in reduced sympathetic outflow leading to reduced vascular tone. Its adverse reactions include dry mouth,sedation,and constipation.