Lipitor is a prescription medication used to lower cholesterol levels in the body. While hunger is not listed as a common side effect of Lipitor, it is important to note that every person may react differently to medication. According to the drug patent watch [1], the most common side effects of Lipitor are muscle and joint pain, diarrhea, and nausea. However, a study published in the US National Library of Medicine [2] found that Lipitor can cause an increase in appetite and weight gain in some individuals. The study suggests that this may be due to the medication's effect on insulin resistance. It is important to note that weight gain is not a common side effect of Lipitor, and if you experience any unusual symptoms while taking the medication, you should consult your healthcare provider. Additionally, the Healthline website [3] lists several potential side effects of Lipitor, including muscle pain, weakness, and liver damage. It is important to follow your healthcare provider's instructions carefully when taking Lipitor and to report any unusual symptoms or side effects.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5789723/
[3] https://www.healthline.com/health/drugs/lipitor-side-effects