Zhewitra 10 mg is a medication that typically contains vardenafil, which is a phosphodiesterase type 5 (PDE5) inhibitor used to treat erectile dysfunction (ED). Like other medications in the same class, Zhewitra works by increasing blood flow to the penis, facilitating the ability to achieve and maintain an erection. Zhewitra is primarily used to treat erectile dysfunction, a condition in which a man has difficulty achieving or maintaining an erection sufficient for sexual activity.