Cenforce Soft 100 tablet contains sildenafil citrate, an active pharmaceutical drug. The active ingredient of this tablet is categorized into the group of PDE-5 inhibitor. This drug acts by inhibiting the PDE-5 and increases the level of cyclic, which result in augmenting the supply of the blood into the penile region and improve sexual disorder. This drug acts by just enhancing the supply of the blood into the penile region. This medicine should be taken one hour earlier of physical intimacy, with a glass of water and the efficacy of this drug last for 4 hours.