Lipitor (atorvastatin) is a medication used to lower cholesterol levels in the blood. Dosage adjustments of Lipitor may be necessary for various reasons, such as changes in the patient's health status or response to treatment. The sources provided do not mention any specific side effects of dosage adjustments, but they do list the potential side effects of Lipitor in general.

According to Medscape [2], common side effects of Lipitor include muscle aches, joint pain, diarrhea, and constipation. Rare but serious side effects may include liver problems, muscle damage, and an increased risk of diabetes. It is important to contact a healthcare provider if any of these side effects occur.

Drug Patent Watch [1] notes that Lipitor is available in various dosage strengths, ranging from 10mg to 80mg. The appropriate dosage depends on the patient's medical condition, response to treatment, and other factors. Dosage adjustments may be necessary to achieve optimal cholesterol-lowering effects while minimizing the risk of side effects.

RxList [3] also mentions that Lipitor may interact with other medications, such as blood thinners, antibiotics, and antifungal drugs. Patients should inform their healthcare provider of all medications they are taking to avoid potential interactions.

In summary, while the sources provided do not mention specific side effects of Lipitor dosage adjustments, it is important to be aware of the potential side effects of the medication in general. Common side effects include muscle aches, joint pain, diarrhea, and constipation, while rare but serious side effects may include liver problems, muscle damage, and an increased risk of diabetes. Patients should also inform their healthcare provider of all medications they are taking to avoid potential interactions.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://reference.medscape.com/drug/lipitor-atorvaliq-atorvastatin-342446
[3] https://www.rxlist.com/lipitor-drug.htm