kamagra 100 is used to treat erectile dysfunction and impotence problems. The active ingredient in this drug is sildenafil which increases blood flow in the range and relaxes the blood vessels so this drug allows men to stay with their partner longer. Helps to get an erection The effect of this medicine lasts for 4-5 hours so men should take this medicine 30 minutes before sexual intercourse The effect of this medicine lasts for 4-5 hours so when you take this medicine your It is necessary to seek the help of a doctor