Sildenafil
Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men.Sildenafil belongs to a group of medicines called phosphodiesterase 5 (PDE5) inhibitors.and other male sexual function problems. The active ingredient in the drug is sildenafil citrate. sildenafil generic is generally used to increase blood flow to the penis to help a man get and sustain his erection to enhance sexual activity. If you have fluctuating blood pressure then you are advised to use this drug.