According to the sources provided, quitting alcohol can improve liver function, but it may not necessarily reverse liver damage caused by Lipitor.

Alcohol consumption can lead to liver damage, and it is recommended that individuals with liver disease abstain from alcohol [1]. Therefore, quitting alcohol can help improve liver function and prevent further damage. However, the extent to which liver damage can be reversed depends on the severity and duration of the damage.

Lipitor is a statin medication used to lower cholesterol levels. While it is generally considered safe and effective, it can cause liver damage in some cases [2]. The severity of the damage can vary, and in some cases, it can be severe enough to require discontinuation of the medication.

The Mayo Clinic suggests that regular liver function tests should be conducted for individuals taking statins to monitor for potential liver damage [3]. If liver damage is detected, the individual may need to stop taking the medication.

In summary, quitting alcohol can improve liver function, but it may not necessarily reverse liver damage caused by Lipitor. The extent to which liver damage can be reversed depends on the severity and duration of the damage. Regular liver function tests should be conducted for individuals taking statins to monitor for potential liver damage.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/ALCOHOL
[2] https://www.ncbi.nlm.nih.gov/books/NBK548236/
[3] https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/statin-side-effects/art-20046013