Zhewitra 40 mg is an effective oral medicine for men dealing with erectile dysfunction (ED). It contains 40 mg of Vardenafil, a PDE5 inhibitor that boosts blood flow to the penis during sexual activity. This action helps men get and keep a firm erection. Learn more about ED treatments on Mayo Clinic and Drugs.com.
How Does Zhewitra 40 mg Work?
During arousal, the body releases nitric oxide, which creates cGMP—a chemical that relaxes penile muscles and improves blood flow. Normally, the PDE5 enzyme breaks down cGMP too quickly. Vardenafil in Zhewitra blocks PDE5, allowing cGMP to stay longer and support a strong erection. Clinical details can be found on PubMed and FDA.
How to Take Zhewitra 40 mg
-
Take one tablet with water, 30–60 minutes before sex.
-
Use it on an empty stomach or after a light meal for faster effect.
-
Do not take more than one dose in 24 hours.
For safe dosage guidelines, visit WebMD and Healthline.
Possible Side Effects
Most men tolerate Zhewitra well, but some may feel:
-
Headache
-
Dizziness
-
Flushing
-
Nasal congestion
-
Upset stomach
Rare but serious side effects include sudden vision or hearing loss, chest pain, or an erection lasting over 4 hours. Seek medical help right away if these happen. More safety details are available at WHO and FDA.
Why You Should Talk to a Doctor First
Before starting Zhewitra 40 mg, consult your healthcare provider. They will check if this medicine is right for you, especially if you are taking other drugs or have heart-related conditions. For expert advice, visit Mayo Clinic and WebMD.

