Cenforce 100 mg is a medicine that helps in curing the symptoms of erectile dysfunction in men. It is a tablet that contains Sildenafil Citrate as its active ingredient. It is a PDE5 inhibitor, which means it inhibits the action of the enzyme that causes the penis to lose its erection during sexual intercourse. It also improves the blood flow in the penile area, which results in an erection and improves the male sexual response to sexual stimulation.