Vilitra 20 is a prescription medicine in India. It typically contains vardenafil 20 mg, which is used to treat erectile dysfunction (difficulty getting or maintaining an erection). Medical supervision: It is best taken only after a doctor assesses your health and other medicines. Vilitra 20   is a higher dose than Vilitra 10 mg. Do not increase your dose without medical advice. Important interactions: Never combine vardenafil with nitrate medicines, such as nitroglycerin, or with riociguat, because your blood pressure could drop dangerously. You can check the medicine information on Tata 1mg , which marks Vilitra 20 as prescription-required. 1mg One question: Have you already been taking Vilitra 10, and are you considering increasing to 20 mg because it isn't working well enough?