Vidalista 20 mg is also sold in different dosages, depending on the amount of tadalafil contained in each dose. Erectile dysfunction, also known as male sexual impotence, can be treated with Vidalista 20, which is considered one of the most effective medications. This medication is very popular among men for its results, and doctors often prefer to prescribe it. Its active ingredient is tadalafil, a PDE-5 inhibitor. It is readily available in pharmacies or online. It can also help men achieve or maintain an erection, and its effects last for several hours. In addition, it generally does not cause any side effects, making it safe to use.