Penegra 50 mg is a prescription medication that contains sildenafil citrate 50 mg, a phosphodiesterase type 5 (PDE5) inhibitor used to treat erectile dysfunction (ED) in adult men. It works by relaxing the blood vessels and increasing blood flow to the penis during sexual stimulation, helping men achieve and maintain a firm erection. Penegra 50 mg does not increase sexual desire and is effective only when sexual arousal is present. The tablet is typically taken 30 to 60 minutes before sexual activity, with effects usually lasting for 4 to 6 hours. It should not be taken more than once within a 24-hour period. https://www.genericday.com/penegra-50-mg.html