Lipitor is a brand name for atorvastatin, which is a medication used to lower cholesterol levels and reduce the risk of heart disease. According to the sources provided, changes in appetite are not listed as a common side effect of Lipitor [2][3]. However, it is important to note that individual responses to medication can vary, and some people may experience side effects that are not listed as common [2]. If you are experiencing changes in appetite while taking Lipitor, it is recommended that you speak with your healthcare provider to discuss any concerns or potential adjustments to your medication regimen [2][3].

Sources:
[2] Healthline. Lipitor: Side Effects, Dosage, Uses, and More. https://www.healthline.com/health/drugs/lipitor-side-effects
[3] Mayo Clinic. Atorvastatin (Oral Route) Side Effects. https://www.mayoclinic.org/drugs-supplements/atorvastatin-oral-route/side-effects/drg-20067003