Malegra is a drug that is used in the treatment of erectile dysfunction and all the problems which are related to it. It is a generic alternative for Viagra– a branded medicine that is also used in the treatment of sexual dysfunction in males. The composition of Malegra is similar to that of Viagra i.e. it consists of sildenafil citrate as its active pharmaceutical agent. This drug is the best for a person who is unable to attain or maintain an erection for a longer period of time which is usually required to experience climax during a sexual intercourse. Sildenafil citrate that is present in the composition of this drug is an inhibitor of Phosphodiesterase type 5 enzyme that produces its effects by acting on the corpus cavernosum of the penis and producing a relaxing effect on it.