Zhewitra is a medication used to treat erectile dysfunction (ED) in men. It contains vardenafil as its active ingredient. Vardenafil is a phosphodiesterase type 5 (PDE5) inhibitor, similar to sildenafil (Viagra) and tadalafil (Cialis), which works by increasing blood flow to the penis during sexual stimulation, helping men achieve and maintain an erection. https://www.flatmeds.com/product/zhewitra-20-mg/