Cenforce 150 tablets are commonly used to treat sexual problems such as erectile dysfunction. It contains sildenafil citrate as the main active ingredient. With the help of this ingredient, the blood vessels in the penis of men slowly relax and help to have sex with a strong erection for a long time. These pills should be taken only once a day, if more than one pill is taken, it has proved to be harmful. This drug is usually effective in 30-40 minutes and lasts for 5-7 hours.