Lipitor is a brand name for atorvastatin, a medication used to lower cholesterol levels in the blood. While Lipitor is generally considered safe and effective, it may cause side effects in some people. The duration of these side effects can vary depending on the individual and the severity of the symptoms.

According to Drug Patent Watch [1], the most common side effects of Lipitor are muscle pain, weakness, and tenderness. These symptoms may occur within a few days or weeks of starting the medication and can last for several weeks or months. In some cases, muscle symptoms can be severe and lead to a condition called rhabdomyolysis, which can cause kidney damage.

SingleCare [2] reports that other side effects of Lipitor may include nausea, diarrhea, constipation, headache, and insomnia. These symptoms may also last for several weeks or months, but they typically subside once the body adjusts to the medication. If the side effects persist or become severe, it is important to speak with a healthcare provider.

Medical News Today [3] notes that in rare cases, Lipitor may cause more serious side effects, such as liver damage, memory loss, and type 2 diabetes. If any of these symptoms occur, it is important to seek medical attention immediately.

In conclusion, the duration of Lipitor side effects can vary depending on the individual and the severity of the symptoms. Muscle pain and weakness may last for several weeks or months, while other side effects may subside once the body adjusts to the medication. If the side effects persist or become severe, it is important to speak with a healthcare provider. If more serious side effects occur, seek medical attention immediately.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.singlecare.com/blog/lipitor-side-effects/
[3] https://www.medicalnewstoday.com/articles/drugs-lipitor-side-effects