Zhewitra 20 mg contains Vardenafil, which is used to treat erectile dysfunction (ED) in men. Here are the key points about Zhewitra 20 mg:Zhewitra 20 mg is taken orally, typically about 25 to 60 minutes before sexual activity.It should be taken on an empty stomach for best results, as food can delay the onset of action.Sexual stimulation is necessary for the medication to work effectively.The standard dose is 20 mg, although dosage adjustments may be recommended by a healthcare provider based on individual response and tolerance.