Lipitor (atorvastatin) is a medication used to lower cholesterol levels in the blood. Skim milk is a low-fat dairy product that is often consumed as part of a healthy diet.

There is no information in the provided sources that suggests combining Lipitor and skim milk would have any negative effects. However, it is important to note that Lipitor can interact with other medications, so it is always best to consult with a healthcare provider before taking any new medications or making changes to your diet.

According to the drug label provided by Pfizer [3], Lipitor should not be taken by individuals who are allergic to any of its ingredients, pregnant or breastfeeding, or have liver problems. It is also important to avoid consuming large amounts of alcohol while taking Lipitor, as this can increase the risk of liver problems.

In summary, there is no evidence to suggest that combining Lipitor and skim milk would have any negative effects. However, it is always best to consult with a healthcare provider before making any changes to your medication or diet.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://medlineplus.gov/druginfo/meds/a600045.html
[3] https://labeling.pfizer.com/ShowLabeling.aspx?id=16892&Section=PPI