Kamagra 100 tablets relieve you from the problem of erection during sex. Sildenafil citrate is the main ingredient in this medication. By taking this medicine, your problem of impotence is solved and you can enjoy sex with your sex partner. This drug relaxes the muscles of the penile area and increases blood flow in the penis so that the penis can remain erect. You can have sex for a long time. This medicine is effective if taken half an hour before the sexual period. Do not consume alcoholic beverages with or after taking this medicine.