Cenforce soft is a drug used to treat erectile dysfunction in men. Sildenafil citrate plays an important role in this drug. This drug helps increase blood flow to the muscles by relaxing the blood vessels. It only takes one time to cure your sexual problems. This medicine is taken for men above 18 years of age, women and children should not take it. The effect of this medicine takes about 30 minutes or 1 hour. Which depends on the individual.