Cenforce 50 medicine is used to treat impotence in men. This medicine contains an ingredient called sildenafil citrate. This medicine can be used 1 hour before intercourse to enjoy a strong erection. The effect of this medicine is seen within 30 minutes. This medicine is recommended only for men aged 18 or older. Consuming cold drinks or alcohol with this medicine proves to be harmful. This medicine should be taken only by men above 18 years of age as advised by the doctor. The effect of this medicine lasts for about 36 hours.