Kamagra is coated tablets. They are blue tablets. You may use it for treatment of erective dysfunction in men for extending the duration of sexual intercourse more than 20 minutes due to Dapoxetine. There are 2 active drug substance in every tablet: Sildenafil Citrate 100 mg dose. Dapoxetine - dosage of 60 mg. Sildenafil (Viagra contains if also) helps to flow blood to the penis and causes persistent erection men and the active ingredient of the drug Dapoxetine prevents premature ejaculation and prolong sexual intercourse. Kamadra doesn't have negative reaction and side effects but if you take more than 1 tablet you feel headache, dizziness or diarrhea. You have such problems with your health consult with the doctor and stop using it. Don't drink alcohol if you feel unwell.