Based on the information you have provided, you are asking whether lip stiffness is a side effect you have experienced with Lipitor. Lipitor, also known as atorvastatin, is a prescription medication used to treat high cholesterol and prevent heart disease [1].

According to the drug's official website, some of the common side effects of Lipitor include diarrhea, upset stomach, and muscle pain [2]. However, lip stiffness is not listed as a side effect of Lipitor on the drug's official website or in the medication guide provided by the Food and Drug Administration (FDA) [2][3].

It is important to note that everyone's experience with medication is different, and some people may experience side effects that are not listed on the drug's official website or in the medication guide. If you are concerned about a symptom you are experiencing, it is always best to speak with your healthcare provider.

In conclusion, based on the available information, lip stiffness is not listed as a side effect of Lipitor. However, if you are experiencing this symptom and are concerned, it is important to speak with your healthcare provider.

Sources:

1. DrugPatentWatch.com. (n.d.). Lipitor (Atorvastatin Calcium). Retrieved from <https://www.drugpatentwatch.com/drugs/lipitor>.
2. Lipitor (atorvastatin) tablets, for oral use. (2019). Full Prescribing Information. Retrieved from <https://www.lipitor.com/pdf/PI.pdf>.
3. U.S. Food and Drug Administration. (2019). Lipitor - atorvastatin calcium tablet. Retrieved from <https://www.fda.gov/drugs/postmarket-drug-safety-information-patients-and-providers/lipitor-atorvastatin-calcium-tablet>.