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Zhewitra 40 mg and Levitra are both medications used to treat erectile dysfunction (ED), but they have some key differences. Understanding these differences can help you make an informed decision about which medication might be best for your needs. This article compares Zhewitra 40 mg and Levitra in terms of their composition, effectiveness, side effects, and other factors. 1. Active Ingredient Zhewitra 40 mg: Contains vardenafil as its active ingredient. Vardenafil is a PDE5 inhibitor that works by increasing blood flow to the penis, helping to achieve and maintain an erection. Levitra: Also contains vardenafil as its active ingredient. It is essentially the brand name for vardenafil, so the active ingredient is the same as in Zhewitra. 2. Brand vs. Generic Zhewitra 40 mg: Is a generic version of Levitra. Generics contain the same active ingredient and work in the same way as the brand-name drug but are typically available at a lower cost. Levitra: Is the brand-name version of vardenafil. It is marketed under the Levitra name and is often more expensive compared to generic versions. 3. Dosage Forms and Strengths Zhewitra 40 mg: Available in various strengths, including 40 mg. It is usually sold as a generic, so it may come in different forms and strengths depending on the manufacturer. Levitra: Available in several strengths, including 5 mg, 10 mg, 20 mg. It is sold under the Levitra brand name and typically comes in tablet form. 4. Onset of Action Zhewitra 40 mg: Similar to Levitra, Zhewitra generally starts working within 30 to 60 minutes after ingestion. The exact onset can vary from person to person. Levitra: Typically takes effect within 30 to 60 minutes. The onset of action for Levitra is similar to that of Zhewitra.