Lipitor (atorvastatin) is a medication used to lower cholesterol levels in the blood. SSRIs (selective serotonin reuptake inhibitors) are a type of antidepressant medication. According to the sources provided, there are no known significant interactions between Lipitor and SSRIs that could lead to harmful side effects.

However, it is important to note that both medications can have side effects on their own. Lipitor may cause muscle pain, weakness, and liver problems, while SSRIs may cause nausea, headache, and sexual dysfunction [2]. It is essential to consult with a healthcare professional before taking any new medication, including Lipitor and SSRIs, to ensure that the benefits outweigh the potential risks and side effects.

In addition, it is worth mentioning that Pfizer, the manufacturer of Lipitor, is currently developing COVID-19 antiviral pills. According to NBC News, these pills may have side effects such as nausea, diarrhea, and headache [3]. However, this information is not directly related to the question of Lipitor and SSRIs interactions.

In conclusion, while there are no known significant interactions between Lipitor and SSRIs, both medications may have side effects on their own. It is important to consult with a healthcare professional before taking any new medication and to report any side effects experienced during treatment.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9827898/
[3] https://www.nbcnews.com/health/health-news/pfizer-covid-pills-covid-symptoms-may-risky-drugs-rcna9683