Kamagra 100 is one such drug. This is very effective in treating erectile dysfunction. The main ingredient in this drug is sildenafil. You should use this medicine if you are not able to harden the erection and feel dissatisfied during intercourse. This drug eliminates impotence. This medicine should be taken regularly as per the advice of the doctor. You should take this medicine only once a day. This drug should be taken within 30 to 40 minutes of intercourse. If you are aroused to have sex before taking the medicine, this medicine will only help you to achieve erection. Visit our store mediscap for more information.