The generic name sildenafil works in Kamagra 100. Kamagra 100 is the best pill to solve the problem of ED. Kamagra 100mg must be taken once a day. Kamagra 100 Mg is widely used by men. Kamagra 100 should be kept away mainly from small children and pets and if you are allergic to these tablets i.e. Sildenafil then consult your doctor first and then use it.