While taking Lipitor (atorvastatin), some individuals may experience muscle pains as a side effect. This phenomenon is known as statin-related muscle pain and is a recognized potential side effect of statin medications like Lipitor. According to the British Heart Foundation, scientists have identified a potential cause of statin-related muscle pain, which may provide insight into understanding and managing this side effect. The Mayo Clinic also acknowledges that muscle aches and pains are a common side effect of statins, including Lipitor. It is important to note that not everyone experiences muscle pain while taking Lipitor, and the severity of side effects can vary from person to person. If you are experiencing muscle pains while taking Lipitor, it is advisable to consult your healthcare provider for guidance on managing these symptoms.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/statin-side-effects/art-20046013
[3] https://www.bhf.org.uk/what-we-do/news-from-the-bhf/news-archive/2019/august/scientists-identify-potential-cause-of-statin-related-muscle-pain