Kamagra is the generic version of Viagra which is used to treat erectile dysfunction.The active component in both drugs is Sildenafil Citrate. the FDA first approved it's use in treating Erectile Dysfunction in 1998.<a href="http://www.pharmaexpressrx.com/purchase/kamagra.asp">Kamagra</a> is unique in that it increases a natural occurring process, therefore, only through sexual stimulation will an erection occur.