How Long Does Viagra Last?
Understanding the Effects of Viagra Viagra is a medication commonly used to treat erectile dysfunction (ED) in men. It works by relaxing the blood vessels in the penis, allowing for increased blood flow and improved erections. Viagra contains an active ingredient called sildenafil citrate, which inhibits the action of an enzyme called phosphodiesterase type 5 (PDE5). By inhibiting PDE5, sildenafil…Read More »