Vidalista Black 80 mg is a high dose that is used in treating high-level erectile dysfunction. It contains a phosphodiesterase 5 inhibitor that directly regulates the enzyme providing a firm erection to the penis. It is manufactured by Centurion Laboratories Pvt. Ltd. which is known for making the most effective medicine on the market. The drug will only work when you are sexually aroused and effective before sexual intercourse.