Valif 20 mg is a medication used to treat erectile dysfunction (ED) in men. It contains Vardenafil, a PDE5 inhibitor, which works by increasing blood flow to the penis, allowing men to achieve and maintain an erection during sexual arousal. To get the most out of Valif 20 mg, following the right usage tips is important for its effectiveness and safety. Drinking alcohol in moderation is fine, but excessive alcohol consumption can reduce the effectiveness of Valif 20 mg and increase the risk of side effects like dizziness, headaches, and a drop in blood pressure.