Kamagra is a medicine made for the human race. It is only a drug used to treat ED in men. Sildenafil is a drug called it works to stimulate your partner. It is a drug used in sex. It is a drug used to treat erectile dysfunction (ED) in men. It contains the active ingredient sildenafil citrate, which belongs to a class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors. Take the medicine 1 hour or 30 minutes before intercourse. You take the medicine with a visit to the doctor.