Cenforce 50 mg can be used to solve sexual problems in men. The active ingredient in sildenafil citrate works to relax muscles by increasing blood flow. This medicine can be used by men above 18 years of age 1 hour before sexual activity. This medicine improves your sex life. This medicine should be taken only on the advice of the doctor. The effect of this medicine lasts for 36 hours. This medicine should be taken only once a day. It is imperative to use this medicine as per the doctor's advice. The effect of this medicine usually lasts for 1 day.