Cenforce pills are used to treat erectile dysfunction and impotence in men. Sildenafil citrate is the most important ingredient in the medicine. This medicine should be taken only once in 24 hours. A strong erection can be achieved by using this medicine about 30 to 40 minutes before sex. This medicine should be taken only once in 24 hours. This medicine should be used as advised by your doctor. If you have any type of allergy then you must consult your doctor before taking this medicine.