You should not drink water before taking blood for liver function test, you need to take blood test on an empty stomach, and drinking water may affect the result.
In clinical practice, liver function can be checked by drawing blood intravenously and observing certain biochemical indexes in the blood to determine the condition of liver function, mainly including alanine aminotransferase, glutamic oxalate aminotransferase, alkaline phosphatase, cholinesterase, total bilirubin, direct bilirubin and so on.
You need to fast before the liver function test, you can’t eat, even drinking water may affect the results, not conducive to judging the condition, so you can’t drink water before checking the liver function. In addition, you need to live a regular life and eat a light diet before the liver function test to avoid abnormal results.
If abnormal liver function occurs, it is recommended to follow the doctor’s instructions to standardize the treatment, so as not to delay the condition.