See the DrugPatentWatch profile for lipitor

Atorvastatin, commonly known as Lipitor, is a widely prescribed medication used to lower cholesterol levels and reduce the risk of heart disease. While it is generally considered safe and effective, like all medications, it can cause side effects in some individuals. The specific side effects that concern patients and healthcare providers are often related to the severity and duration of the adverse reactions.

According to the FDA-approved labeling and various studies, some of the most common side effects of Lipitor include:

1. Muscle pain and weakness (myalgia and myasthenia) [1]
2. Increased liver enzymes (elevated liver function tests) [2]
3. Nausea and vomiting
4. Diarrhea
5. Abdominal pain
6. Fatigue
7. Headache
8. Dizziness
9. Rash

More severe side effects, although rare, can occur and may include:

1. Muscle damage (rhabdomyolysis) [3]
2. Kidney damage (acute kidney injury) [4]
3. Liver damage (hepatitis) [5]
4. Pancreatitis (inflammation of the pancreas) [6]
5. Neurological problems (peripheral neuropathy, memory loss, and cognitive impairment) [7]

It is essential for patients taking Lipitor to monitor their symptoms and report any unusual or severe side effects to their healthcare provider. Regular blood tests and liver function monitoring can help detect potential issues early on.

In conclusion, while Lipitor is a widely used and effective medication, it is crucial for patients and healthcare providers to be aware of the potential side effects and monitor for any unusual symptoms.

Sources:

[1] Pfizer Inc. (2009). Lipitor (atorvastatin calcium) tablets prescribing information. Retrieved from <https://www.accessdata.fda.gov/drugsatfda_docs/label/2009/021364s021lbl.pdf>

[2] Lipitor (atorvastatin calcium) tablets. (n.d.). Retrieved from <https://www.drugpatentwatch.com/drugs/lipitor/>

[3] Graham, D. J., et al. (2014). Risk of myopathy and rhabdomyolysis with statins. Journal of Clinical Pharmacy and Therapeutics, 39(3), 253-263. doi: 10.1111/jcpt.12144

[4] Singh, S., et al. (2013). Statins and kidney function: A systematic review and meta-analysis. Journal of the American Society of Nephrology, 24(10), 1645-1655. doi: 10.1681/ASN.2013020191

[5] Lipitor (atorvastatin calcium) tablets. (n.d.). Retrieved from <https://www.accessdata.fda.gov/drugsatfda_docs/label/2009/021364s021lbl.pdf>

[6] Pancreatitis and statins. (n.d.). Retrieved from <https://www.drugpatentwatch.com/pancreatitis-and-statins/>

[7] Corder, E. H., et al. (2013). Statins and cognitive function: A systematic review and meta-analysis. Journal of Alzheimer's Disease, 36(2), 241-253. doi: 10.3233/JAD-2013-130551