Vidalista 40 mg is a higher dose of tadalafil used for treating erectile dysfunction. It should be taken about 30-60 minutes before sexual activity, with a maximum of one dose per day. If you have gastrointestinal issues, take the medication with a light meal and stay hydrated to minimize discomfort. Always consult with your healthcare provider for personalized advice and to discuss any potential interactions or side effects related to your specific health condition.