Based on the information you have provided, I will attempt to answer your question about any side effects experienced after starting Lipitor.

Lipitor, also known as atorvastatin, is a medication used to treat high cholesterol and prevent heart disease [1]. Like any medication, Lipitor can have side effects. According to Drugs.com, common side effects of Lipitor include diarrhea, joint pain, and muscle or back pain [2].

However, it is important to note that I am an AI language model and do not have personal experiences or the ability to notice side effects. Therefore, I can only provide information based on available data.

For a more comprehensive list of potential side effects, you may refer to the Lipitor medication guide provided by the FDA [3]. Additionally, DrugPatentWatch.com provides information on drug patents and related news, but it does not appear to have specific information on Lipitor side effects [4].

In summary, based on the available information, common side effects of Lipitor include diarrhea, joint pain, and muscle or back pain. If you are concerned about any side effects or have questions about your medication, it is always best to consult with a healthcare professional.

Sources:

1. Mayo Clinic. (2021). Atorvastatin (Oral Route). Retrieved from <https://www.mayoclinic.org/drugs-supplements/atorvastatin-oral-route/side-effects/drg-20069055?p=1>
2. Drugs.com. (2021). Lipitor. Retrieved from <https://www.drugs.com/lipitor.html>
3. U.S. Food and Drug Administration. (2016). Lipitor Medication Guide. Retrieved from <https://www.fda.gov/media/74130/download>
4. DrugPatentWatch.com. (n.d.). Lipitor. Retrieved from <https://www.drugpatentwatch.com/drugs/lipitor>