Kamagra Pills are used to treat impotence and erectile dysfunction in men. This medicine contains an ingredient called sildenafil citrate. This drug is taken to increase blood flow to the penis. This medicine prolongs erection during intercourse. This drug is for men over 18 years of age. The effect of this drug is seen in about 45 minutes. The effect of this medicine lasts for 4 to 6 hours. Take this medicine only once a day. Take this medicine as advised by your doctor. Alcohol should not be consumed while taking this medicine, as it is more likely to have side effects if taken. Its effect lasts for 4 to 6 hours so you do not need to take this medicine frequently.