Lipitor, also known as atorvastatin, is a medication commonly prescribed to lower cholesterol levels in individuals at risk of cardiovascular diseases. While the provided sources do not directly address the effect of Lipitor on sodium levels, we can still provide some information based on the available data.

According to the Drug Patent Watch website, which provides information on various drugs including Lipitor, there is no mention of Lipitor directly affecting sodium levels [1]. However, it is important to note that this website primarily focuses on patent information rather than detailed medical data.

The second source, a study published in the European Journal of Clinical Pharmacology, explores the potential interaction between atorvastatin (Lipitor) and various other drugs. The study does not specifically mention sodium levels, but it suggests that atorvastatin may interact with certain medications that could affect electrolyte balance [2]. However, this study does not provide specific information on the impact of Lipitor on sodium levels.

The third source, a study published in the Journal of Clinical Psychopharmacology, investigates the potential interaction between Lipitor and the antidepressant drug escitalopram. The study concludes that there is no significant effect of atorvastatin on the pharmacokinetics of escitalopram, which refers to how drugs are absorbed, distributed, metabolized, and excreted by the body. However, this study does not provide information on the effect of Lipitor on sodium levels [3].

In summary, the provided sources do not directly address the effect of Lipitor on sodium levels. While the available information does not suggest a direct impact of Lipitor on sodium levels, it is important to consult with a healthcare professional or pharmacist for personalized advice regarding any potential drug interactions or effects on sodium levels.

Sources:
[1] Drug Patent Watch: Lipitor. Retrieved from https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] European Journal of Clinical Pharmacology: Drug-drug interactions between atorvastatin and other medications. Retrieved from https://link.springer.com/article/10.1007/s00228-020-03006-8
[3] Journal of Clinical Psychopharmacology: Lack of significant effect of atorvastatin on the pharmacokinetics of escitalopram. Retrieved from https://pubmed.ncbi.nlm.nih.gov/18065809/