Kamagra is a pill green in color. Use this medicine only if you are over 18 years of age. This drug is used in the treatment of sex. This medicine works well in getting an adequate erection. Erectile dysfunction is a drug that works well in the human race. This medicine is more effective if taken with food. Take this medicine within 1 hour or 30 minutes before you engage in sexual intercourse. It relaxes the muscle over a long period of time.