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Zhewitra 20 mg, which contains vardenafil as its active ingredient, is primarily used to treat erectile dysfunction (ED) in men. Here’s how Zhewitra 20 mg helps maintain erections during intercourse:

Mechanism of Action: Zhewitra 20 mg works by inhibiting the enzyme phosphodiesterase type 5 (PDE5). This inhibition allows for increased blood flow into the penis during sexual stimulation, aiding in achieving and maintaining an erection.

Enhanced Blood Flow: By improving blood circulation to the genital area, Zhewitra 20 mg facilitates the engorgement of the penis with blood, which is necessary for a firm erection suitable for sexual intercourse.

Duration of Action: Vardenafil, the active ingredient in Zhewitra 20 mg, typically starts working within 30 to 60 minutes after ingestion. Its effects can last up to 4 to 5 hours, providing a window of opportunity for sexual activity.

Effectiveness: Clinical studies have demonstrated that vardenafil (the active ingredient in Zhewitra) is effective in a significant number of men with ED, including those with underlying conditions such as diabetes or prostate surgery.

Usage: It is usually recommended to take Zhewitra 20 mg orally with water, as directed by a healthcare provider. It should be taken approximately 30 minutes before anticipated sexual activity.

Safety and Side Effects: Common side effects of Zhewitra 20 mg may include headache, flushing, indigestion, nasal congestion, and dizziness. These side effects are typically mild and transient. Serious side effects such as priapism (prolonged erection) are rare but require immediate medical attention.