비아그라에 대해

VIAGRA includes sildenafil, which is identical medicine present in another drug named REVATIO. REVATIO is made use of to treat a unusual illness named pulmonary arterial hypertension (PAH).Sildenafil together with other PDE5 inhibitors are utilised off-label to relieve vasospasm and deal with severe ischemia and ulcers in fingers and toes for peopl