Cenforce 100 tablet is used to relieve sexual problems in men, which helps in increasing blood flow by relaxing the muscles. This medicine is taken only once a day. It is imperative to take this medicine an hour before intercourse plan, so that you can enjoy intercourse for a long time with your partner. This medicine contains an active ingredient called sildenafil citrate. The effect of this medicine is bound to take about 30 minutes or 1 hour depending on the individual.