Vilitra 40 mg is a medication used to treat erectile dysfunction (ED) in men. It contains the active ingredient vardenafil, which belongs to a class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors. Vilitra 40 mg works by increasing blood flow to the penis during sexual stimulation, enabling men to achieve and maintain an erection. This medication is typically taken about an hour before sexual activity and can remain effective for up to five hours. Vilitra 40 mg is prescribed to men who have difficulty achieving satisfactory erections and is known for its effectiveness and relatively quick onset of action. It is important to use this medication under the guidance of a healthcare provider to ensure proper dosage and to manage any potential side effects.