Kamagra 100 tablet is used to treat erectile dysfunction (impotence) in men. This drug works by increasing blood flow to the male genitalia. It helps men get or maintain an erection. It belongs to a group of medicines known as phosphodiesterase type 5 (PDE 5) inhibitors. It can be taken on an empty stomach or with food. Do not take this medicine if you have severe heart or liver problems, have recently had a stroke or heart attack, or have low blood pressure. Be sure to consult a doctor before that.