Vilitra 20 is a medication that contains Vardenafil, which is used to treat erectile dysfunction (ED) in men. It works by increasing blood flow to the penis during sexual stimulation, helping to achieve and maintain an erection. Typically taken about 30 minutes before sexual activity. Common side effects may include headache, flushing, stuffy or runny nose, and digestive issues. More serious side effects are rare but can include changes in vision or hearing.