Describe Vidalista 60 mg as a higher-strength dose of tadalafil compared to lower doses like Vidalista 20 mg or 40 mg. Explain how it's typically prescribed for men with moderate to severe ED or those who have not responded adequately to lower doses. Explore the benefits of Vidalista 60 mg, such as its longer duration of action (up to 36 hours) compared to other ED medications. Discuss potential side effects, precautions, and interactions.