The Cenforce 100 drug is widely used to treat erectile dysfunction in men, with sildenafil acting as the active ingredient. The tablets are taken 1 hour before intercourse, with a 4-5 hour effect. The effect lasts until. Taking Cenforce 100mg can make you enjoy sex better. A doctor's advice must be sought before taking Cenforce 100 Mg. must be taken once in 24 hours. Cenforce 100 is the best pill used by men.