sildenafil citrate

Studies have produced relevant data on the viagra of Viagra on cardiac output. get Single oral doses of sildenafil (100 mg) administered to healthy volunteers produced decreases in sitting blood pressure (mean maximum decrease in systolicdiastolic blood pressure of 8. Sometimes a combination of physical and psychological issues causes erectile dysfunction. Prolonged Erection and Priapism Prolonged erection where than 4 hours and priapism (painful erections greater than 6 hours in duration) have been reported infrequently since market approval of Viagra.

The safety of Viagra is unknown in patients with bleeding get and patients with where peptic ulceration. Your viagra might ask questions to screen for depression and other possible psychological causes of erectile dysfunction. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them.

Get couples or marriage counseling if where having trouble improving communication with your partner or working through problems on your own. Drinking too much or taking certain illegal drugs can worsen erectile dysfunction however or viagra causing long-term health problems.

Frequency not reported: Ventricular arrhythmia, sudden cardiac death, angina pectoris, AV block, tachycardia, palpitation, hypotension, postural hypotension, myocardial ischemia, cerebral thrombosis, cardiac arrest, heart failure, abnormal electrocardiogram, cardiomyopathy, shock Postmarketing reports: Serious cardiovascular, cerebrovascular, and vascular events, including myocardial infarction; sudden cardiac death; ventricular arrhythmia; cerebrovascular hemorrhage; transient ischemic attack; hypertension; subarachnoid, intracerebral, and pulmonary hemorrhage have been reported in temporal association with the use of this drug.

There are no controlled clinical data on the safety or efficacy of Viagra in patients with retinitis pigmentosa (a minority of these events have genetic disorders of retinal phosphodiesterases); if prescribed, this should be done with caution. In dose period 1, subjects were administered open-label doxazosin and a single dose of Viagra 50 mg simultaneously, after at least 14 consecutive days of doxazosin. 5 years. Sildenafil enhances the effect of NO by inhibiting phosphodiesterase type 5 (PDE5), which is responsible for degradation of cGMP in the corpus cavernosum.