An active ingredient called sildenafil citrate is found in kamagra tablets. Used to treat men suffering from erectile dysfunction. The effect of this drug lasts for 4 to 6 hours. Only men can use this drug. And consult a doctor before using this medicine. This medicine can be taken with or without food. And if you want to take this medicine with food, take this medicine with nutritious diet. So you can see the good effect of this medicine.