erectile dysfunction is more common in men aged 25-35 and sex plays a major role in their lives. So for the treatment of this problem, you should use Cenforce FM 100 mg tablet. this medicine Contains sildenafil as the active ingredient. As it helps men to get erect longer and make their sexual life happier, men should take this medicine 30 minutes before sexual intercourse and its effect lasts for 4-5 hours.