kamagra 100 is medicine. It works in the treatment of erectile dysfunction in men. It works in sex. It will help sexual function in an excellent way. That medicine will not work without stimulation. Take the medicine 1 hour before you have sex. So it works well in sexual activity for protection for you. If you are strongly precocious with your partner it helps in the man well. It works to get an erection for 4 hours in a way that is good for health.