Zhewitra 20 mg is not ideal to use without a doctor’s advice in men with a history of liver disease. Available information says it should be used with caution in liver disease, and it should not be taken in severe liver problems because the medicine is processed by the liver and may build up more than expected.

For mild or stable liver issues, a doctor may still allow it, but the dose may need adjustment and monitoring. The main concern is that liver impairment can slow clearance, which may increase side effects such as dizziness, flushing, headache, low blood pressure, or vision changes.

If liver disease is advanced, or if there is cirrhosis, jaundice, or past drug-related liver injury, the safer choice is usually to avoid Zhewitra 20 unless a specialist specifically approves it. You should also avoid alcohol and nitrates, because both can make the medicine riskier.

A practical answer: mild liver disease = doctor-supervised caution; severe liver disease = generally avoid.