Kamagra 100 pill is taken by men to get stronger erections and cure impotence. This medicine contains sildenafil citrate. This drug increases the amount of blood in the penis so that you can enjoy sex more time. This drug is taken 30 to 60 minutes before sexual intercourse. The effect of this drug lasts for 4-5 hours. This medicine is taken with water. One pill should be taken in a day. If more than one meds is taken, it can cause side effects. Use this medicine after consulting a doctor. Women should not use this medicine.