Zhewitra 40 is a medication used to treat men's erectile dysfunction. Vardenafil is a component in this medication. This medication is administered to enhance blood flow in the panels. This medication can be used before or after a meal. Overuse of this medication might lead to difficulties, so talk to your doctor before taking Zhewitra 40. Consuming fatty foods or cold liquids while taking this medication reduces its effectiveness. This medicine has a 5-hour impact, so you don't have to take it again.