The legality of Vidalista depends entirely on the country and the regulatory framework of its health authority. In many countries, including the United States, United Kingdom, members of the European Union, Canada, and Australia, Tadalafil (the active drug in Vidalista) is a fully legal, prescription-only medication. It is approved by governing bodies like the FDA (U.S.) and EMA (Europe) for treating erectile dysfunction and benign prostatic hyperplasia.

However, Vidalista 40 mg is a branded generic version, often manufactured in India. Its legal status hinges on how it is obtained. Purchasing it with a valid prescription from a licensed pharmacy is legal. The illegality arises from purchasing it without a prescription from unlicensed online sources or black markets, which is a violation of prescription drug laws in most territories. Furthermore, counterfeit versions, which may contain incorrect dosages or harmful substances, are illegal to sell and possess. Therefore, while the drug substance itself is legal when properly regulated, the specific act of acquiring non-prescription Vidalista bypasses legal channels, making that transaction and possession illegal and potentially dangerous. Always consult a doctor and use licensed pharmacies.