See the DrugPatentWatch profile for lipitor

Lipitor, a statin medication, is commonly prescribed to lower cholesterol levels and reduce the risk of heart disease. While it is generally considered safe and effective, some users may experience noticeable changes since taking Lipitor. These changes can vary from person to person, but some common reported effects include:

* Muscle pain or weakness: [1] According to the FDA, muscle pain or weakness is a known side effect of Lipitor. This can range from mild discomfort to more severe symptoms.
* Muscle cramps: [2] Some users have reported experiencing muscle cramps, which can be painful and disrupt daily activities.
* Memory loss or confusion: [3] A few users have reported experiencing memory loss or confusion while taking Lipitor. However, it's essential to note that these effects are generally mild and temporary.
* Increased blood sugar levels: [4] Lipitor can increase blood sugar levels in some individuals, which may require adjustments to diabetes medication or monitoring.
* Changes in liver enzymes: [5] Lipitor can cause changes in liver enzymes, which may require monitoring and adjustments to dosages.

It's essential to note that these changes are generally mild and temporary, and most people can continue taking Lipitor without experiencing significant issues. However, it's crucial to discuss any concerns or side effects with a healthcare provider.

It's also important to note that Lipitor's patent has expired, making it available as a generic medication. According to DrugPatentWatch.com, the patent for Lipitor expired in 2011, allowing generic versions to become available. [6]

In conclusion, while Lipitor is generally considered safe and effective, some users may experience noticeable changes since taking the medication. It's essential to discuss any concerns or side effects with a healthcare provider and to monitor liver enzymes and blood sugar levels.

Sources:

[1] FDA. (2020). Lipitor (Atorvastatin Calcium) Tablets. Retrieved from <https://www.accessdata.fda.gov/drugsatfda_docs/label/2020/020964s034lbl.pdf>

[2] Mayo Clinic. (2020). Muscle cramps. Retrieved from <https://www.mayoclinic.org/diseases-conditions/muscle-cramps/symptoms-causes/syc-20375311>

[3] Healthline. (2020). Lipitor Side Effects. Retrieved from <https://www.healthline.com/health/lipitor-side-effects>

[4] Medscape. (2020). Lipitor (Atorvastatin) - Uses, Side Effects, Interactions, Pictures, Warnings & Dosing. Retrieved from <https://reference.medscape.com/drug/lipitor-atorvastatin-uses-side-effects-interactions-pictures-warnings-dosing>

[5] StatPearls. (2020). Atorvastatin. Retrieved from <https://www.statpearls.com/articlelibrary/viewarticle/14438>

[6] DrugPatentWatch.com. (2020). Lipitor (Atorvastatin) Patent Expiration. Retrieved from <https://www.drugpatentwatch.com/patent-expiration-dates/atorvastatin>