Malegra 100 is a well-known drug used for treating Erectile Dysfunction (Impotence) in men. It contains Sildenafil Citrate (SD), which is an effective treatment for Erectile Dysfunction. Malegra 100 is a prescription based-drug and can be bought from any pharmacy or online drug store. Malegra 100 is frequently used by men to treat Erectile Dysfunction (ED). Typically known as Impotence, ED is a condition when the male partner cannot obtain or retain an erection firm enough during sexual intercourse. Sildenafil in Malegra 100 works as an antidepressant which is shown to have a substantial effect on premature ejaculation ensuring long-lasting sexual activity.