The active ingredient in Vidalista, tadalafil, is used to treat erectile dysfunction. It comes with several substitutes and strengths to choose from. It can only be obtained with a prescription. You should always consult your doctor about the duration, frequency, and dose of the pill. Give yourself an hour to prepare for intercourse before taking Vidalista. It is not recommended for youngsters, teens under the age of 18, or ladies of any age. You only need one pill every day. Vidalista black 80 should always be taken as prescribed by your physician. Tablet use should not be sustained for longer than necessary.