Vidalista 60 medicine is an effective drug used to treat impotence in men. The main ingredient in the tablet is Tadalafil which is considered to be one of the longest-acting erectile dysfunction drugs. A single dose of this drug can remain powerful for 2 days and in some cases longer. The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.