VIAGRA includes sildenafil, which is similar drugs located in A further drug called REVATIO. REVATIO is utilized to treat a rare illness known as pulmonary arterial hypertension (PAH).an erection that will not disappear (priapism). For those who have an erection that lasts more than 4 hrs, get clinical assist immediately. If It's not at all address

Although sildenafil enhances some markers of sickness in those with pulmonary arterial hypertension, it doesn't appear to have an effect on the chance of Loss of life or significant Unwanted side effects.[twenty] Raynaud's phenomenonHaving grapefruit or drinking grapefruit juice even though having Viagra could elevate the level of Viagra in Your sy