Most men are unable to keep an erection with their partner when married and suffer from erectile dysfunction. Vilitra 20 should be used to treat this condition. Taking this medication allows men to have long-lasting sexual erections. The active ingredient in this product is Vardenafil. This drug is available in a variety of dosages. Before taking this medication, contact with your doctor. This drug has an impact that lasts 4 to 5 hours.