In research with healthful volunteers of solitary doses as many as 800 mg, adverse reactions were being comparable to those seen at reduce doses but incidence prices and severities had been elevated.Serious heart signs or symptoms for example rapid, irregular, or pounding heartbeats; fluttering inside your chest; shortness of breath; and sudden diz

Alpha-blockers are sometimes prescribed for prostate problems or substantial blood pressure. In some people, the usage of VIAGRA with alpha-blockers may lead to a drop in blood pressure or to fainting.This Examination was performed retrospectively, and wasn't run to detect any pre-specified variation in adverse reactions.Even so, in vitro experimen