kamagra effervescent tablet is used to treat erectile dysfunction in men. The drug contains an active ingredient called Sildenafil citrate. The effect of this medicine lasts for 4 to 6 hours and if you take kamagra tablet one hour before sexual intercourse, you can see the good effect of this medicine. Consult a doctor before using this medicine. Take this medicine if you have ED problem. Because this drug does not protect against annoy disease.