kamagra 100 is used to treat erectile dysfunction, a sexual problem in men. The doctor prescribed drug kamagra 100 is said to be the best version of Viagra because its action is similar to that of the branded drug called generic Viagra. It belongs to a group of drugs called phosphodiesterase type 5 (PDE 5) inhibitors. This medicine is available online or over the offline store so that men can easily consume this medicine.