Specifications:  Specifications:  Kamagra is used to treat erectile dysfunction, more commonly known as impotence, in men. Kamagra will not increase your sex drive. Kamagra works by relaxing the blood vessels in the penis when you are sexually excited. This allows blood to flow into your penis when you are sexually excited, allowing you to get an erection the natural way. Kamagra will only work if you are sexually excited.