Oral intake of Fuzole-Plus Tablet is not recommended in patients with chronic or active liver disease. Your doctor may prescribe a liver function test to check whether the liver is functioning effectively or not. This is done because the medicine gets metabolized by liver enzymes and any inefficiency in liver function can lead to increased levels of the medication in the blood, resulting in increased side effects and toxicity. Therefore, it is important to inform your doctor if you have any liver disease or cirrhosis. Also, inform your doctor about the medicines you may be taking as taking Fuzole-Plus Tablet with another medicine can lead to liver toxicity and Fuzole-Plus Tablet by acting on the liver enzymes can change the levels of other drugs. Your doctor may suggest periodic monitoring (after 4-6 weeks of treatment) of liver function test and make dose adjustments accordingly.