Lipitor is a brand name for the drug atorvastatin, which is a medication used to lower cholesterol levels and prevent cardiovascular disease. According to the sources provided, there are several common side effects associated with Lipitor dosage.

The first source [1] states that the most common side effects of Lipitor are headache, diarrhea, joint pain, and urinary tract infection. Other common side effects include muscle pain, nausea, and constipation.

The second source [2] provides more detailed information on the potential side effects of Lipitor. The most common side effects include muscle pain and damage, liver damage, digestive problems, rash or flushing, and increased blood sugar levels. In rare cases, Lipitor can also cause memory loss, confusion, and type 2 diabetes.

The third source [3] also lists muscle pain and liver problems as common side effects of Lipitor. It notes that in rare cases, Lipitor can cause serious muscle damage, kidney problems, and allergic reactions.

It is important to note that not everyone who takes Lipitor will experience side effects. Additionally, some people may experience side effects that are not listed here. If you are taking Lipitor and experience any unusual symptoms or side effects, you should contact your healthcare provider.

In summary, common side effects of Lipitor dosage include headache, diarrhea, joint pain, urinary tract infection, muscle pain, nausea, and constipation. More serious side effects can include liver damage, muscle damage, and allergic reactions. If you experience any unusual symptoms or side effects while taking Lipitor, you should contact your healthcare provider.

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.rxlist.com/lipitor-drug.htm