Vidalista 40 tablet is a medicine used to treat erectile dysfunction in men. It is important to take this medicine as advised by your doctor or pharmacist. Tadalafil tablets have different strengths. Swallow the whole tablet with a glass of water. Men can easily achieve and maintain a hard erection after being sexually aroused. Patients may attempt sexual intercourse at any time within 36 hours of taking the drug to establish the best response time to the drug.