Zhewitra 20 mg is taken orally with water, approximately 25 to 60 minutes before anticipated sexual activity. It should be taken as directed by a healthcare provider. Sexual stimulation is necessary for the medication to be effective.Vardenafil in Zhewitra 20 mg has been clinically proven to improve erectile function in men with ED. It allows for a reliable response to sexual stimulation, facilitating satisfactory sexual intercourse.