Caverta 50 mg Tablet is using to treat erectile dysfunction in men. It increases blood flow to the penis to help men get an erection. It works by helping to relax the blood vessels in your penis, allowing blood to flow into your penis when you get sexually stimulating. Caverta 50 mg Tablet is taking on an empty stomach or with a meal. You should take it about one hour before you plan to have sex. The amount of time it takes to work varies from person to person, but it usually takes between 30 minutes and one hour. This medicine will encourage you to get an erection if you are sexually stimulating. However, you should not take this medicine if you do not have erectile dysfunction.