Penegra 100 mg is a medication designed to treat erectile dysfunction in men. The active ingredient in Penegra is Sildenafil Citrate, a compound well-known for its ability to enhance blood flow to the, thereby facilitating and maintaining an erection. Developed by Zydus Cadila, Penegra is a generic version of the more widely known Viagra. Penegra 100 mg works by inhibiting an enzyme called phosphodiesterase type 5 (PDE5). By blocking this enzyme, Sildenafil Citrate allows for the relaxation of blood vessels in the, leading to increased blood flow during sexual stimulation. This process results in an erection firm enough for satisfactory sexual activity. The effects typically last for about 4 to 6 hours, giving users a reasonable window of time for intimacy. https://www.genericday.com/penegra-100-mg.html