See the DrugPatentWatch profile for lipitor

Lipitor, a statin medication commonly used to treat high cholesterol, has not been explicitly reported to cause lip stiffness as a side effect. According to Drugs.com, the most common side effects of Lipitor include headache, stomach pain, upset stomach, constipation, and gas [1]. Moreover, the Lipitor medication guide from the FDA does not list lip stiffness as a potential side effect [2].

However, it is important to note that individual experiences may vary, and some people may report side effects not listed in official resources. If you are experiencing lip stiffness or any other unusual symptoms while taking Lipitor, it is recommended to consult with a healthcare professional for further evaluation and guidance [3].

In some cases, lip stiffness may be a symptom of a different underlying condition, rather than a side effect of medication. It is essential to seek medical advice to determine the cause and appropriate treatment.

Sources:
[1] Lipitor (atorvastatin) drug information - drugs.com
<https://www.drugs.com/lipitor.html>
[2] Lipitor Medication Guide - FDA
<https://www.fda.gov/media/74330/download>
[3] When to Call the Doctor - Mayo Clinic
<https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/high-cholesterol-treatment/art-20045405>