Sildenafil is a medication primarily used to treat erectile dysfunction (ED) in men. It is a phosphodiesterase type 5 (PDE5) inhibitor that works by increasing blood flow to the penile during sexual stimulation. The primary benefits and uses of tablets Treatment of Erectile Dysfunction (ED) Sildenafil is most commonly prescribed for the treatment of erectile dysfunction. It helps men with ED achieve and maintain an erection by enhancing the natural response to sexual stimulation. improved Sexual Performance By increasing blood flow to the penile region, sildenafil can improve sexual performance by facilitating the ability to achieve and sustain an erection. This can lead to increased satisfaction for both the individual and their partner.