Cenforce D taken for the treatment of sexual problems in men such as impotence and erectile dysfunction. The effect of this medicine lasts for 4 to 6 hours. This medicine contains an ingredient called sildenafil citrate which helps men to experience strong erection during intercourse. This drug should not be taken by women and children. This medicine can be taken before or after a meal. You can take this medicine with water. Do not chew or break this medicine. Take this medicine 30 minutes before intercourse so that you can enjoy intercourse with your partner.