Phosphodiesterase 5 (PDE5) inhibitors are a class of drugs that help improve the erection of men with erectile dysfunction. They stimulate the smooth muscle cells in the genital area to produce nitric oxide (NO) and cGMP. These two chemicals are primarily responsible for the onset and duration of an erection.
Cenforce 100mgis also used to treat hypertension and angina. They increase blood flow in the arteries and relax the muscles that control those vessels. This helps improve erection and increases sexual activity.