Kamagra tablet relaxes the blood vessels and increases the flow of blood to the penile. Kamagra is a drug indicated for the treatment of erectile dysfunction. With the patient's active ingredient sildenafil, the drug works the dilate blood vessels in the penile, allowing blood to flow into the patient's penile during intercourse. Kamagra as a treatment for erectile dysfunction (ED). it’s manufactured in the USA and often sold online without a prescription.