Lipitor is a medication that is commonly prescribed to lower cholesterol levels in the body. According to the sources provided, there are several reported side effects associated with Lipitor use.
The first source  indicates that the most common side effects of Lipitor include headache, diarrhea, and muscle pain. However, more serious side effects such as liver damage and muscle breakdown have also been reported. The source also notes that Lipitor should not be taken by pregnant women or those with liver disease.
The second source  provides a more comprehensive list of potential side effects, including nausea, constipation, and indigestion. Other reported side effects include dizziness, joint pain, and memory loss. The source also notes that some people may experience allergic reactions to Lipitor, which can cause difficulty breathing and swelling of the face, lips, tongue, or throat.
The third source  highlights some of the more serious side effects of Lipitor, including an increased risk of developing diabetes and neurological side effects such as confusion and memory loss. The source also notes that some people may experience an allergic reaction to Lipitor, which can cause hives, itching, and difficulty breathing.
In conclusion, while Lipitor is an effective medication for lowering cholesterol levels, there are several potential side effects associated with its use. Patients should be aware of these potential side effects and discuss any concerns with their healthcare provider. It is also important to note that not everyone will experience side effects from Lipitor, and some people may tolerate the medication well.