Kamagra is a generic version of the brand name drug called viagra. Kamagra is chemically identical to viagra, but because it is made in India with generic license it is much cheaper.

Kamagra is a drug to treat erectile dysfunction (ED, Impotence). Kamagra dosage is from 25 to 100 mg taken, as needed, approximately 1 hour before sexual activity, but only once a day.

Sildenafil citrate, commonly known as viagra, is a drug used to treat male erectile dysfunction (impotence), developed by the pharmaceutical company Pfizer. The pills are blue with the words Pfizer on one side and VGR 100 on the other. Generic version has no markings. Part of the physiological process of erection involves the release of nitric oxide (NO) in the corpus cavernosum. This then activates the enzyme guanylate cyclase which results in increased levels of cyclic guanosine monophosphate (cGMP), leading to smooth muscle relaxation in the corpus cavernosum, resulting in increased inflow of blood and an erection.

This medicine is a phosphodiesterase inhibitor used to treat sexual function problems such as impotence or erectile dysfunction. In combination with sexual stimulation, this medicine works by helping the blood flow into the penis to achieve and maintain an erection. This medicine is not intended for use in women or children. This medicine will not protect against sexually transmitted diseases including HIV infection. Use "safe sex" practices such as latex condoms.