Buy or obtain it only after a qualified doctor has assessed you and specifically prescribed an appropriate treatment. Vidalista 60 is marketed as tadalafil 60 mg, which is well above the usual maximum recommended as-needed dose of 20 mg for erectile dysfunction. Vidalista 60 Mg A licensed pharmacy can help verify the prescription and product packaging, but buying from one does not make an excessive dose safe. Do not take it with nitrate medicines, such as nitroglycerin or isosorbide. Do not combine it with other erectile dysfunction medicines. If you want tadalafil for ED, ask your doctor whether a standard dose, commonly 10 mg or 20 mg as needed, is more appropriate.