Vilitra 40 mg is a medication that contains the active ingredient Vardenafil. It is primarily used for the treatment of erectile dysfunction (ED) in adult men. Vilitra 40 mg works by increasing blood flow to the penis, enabling a man to achieve and maintain an erection during sexual stimulation. It is important to note that Vilitra 40 mg should only be taken under the guidance of a healthcare professional, as they can provide appropriate dosage instructions and monitor for any potential side effects or interactions.