Lipitor is a commonly prescribed medication used to lower cholesterol levels in the body. According to the Drug Patent Watch [1], Lipitor's active ingredient is atorvastatin calcium. It works by inhibiting an enzyme that is responsible for producing cholesterol in the liver. The drug is generally well-tolerated by most people, but it may interact with certain substances, including alcohol.

According to a Harvard Health Publishing article [2], moderate alcohol consumption is generally considered safe for people taking Lipitor. However, excessive alcohol consumption can increase the risk of liver damage and muscle problems, which are already potential side effects of the medication. Additionally, alcohol can interfere with the liver's ability to metabolize the drug, which can increase the drug's concentration in the bloodstream, leading to an increased risk of side effects.

The National Institute on Alcohol Abuse and Alcoholism [3] warns that mixing alcohol with any medication can be dangerous and can lead to harmful interactions. The institute advises individuals to read the labels on their medications carefully and to consult with their healthcare provider before consuming alcohol while taking any medication.

In conclusion, while moderate alcohol consumption may not have a significant interaction with Lipitor, excessive alcohol consumption can increase the risk of side effects and potentially harm the liver. It is always best to consult with a healthcare provider before consuming alcohol while taking any medication.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.health.harvard.edu/newsletter_article/do-alcohol-and-statins-mix
[3] https://www.niaaa.nih.gov/publications/brochures-and-fact-sheets/harmful-interactions-mixing-alcohol-with-medicines