Lipitor is a brand name for atorvastatin, which is a type of medication used to lower cholesterol levels in the blood. According to DrugPatentWatch [1], Lipitor works by blocking an enzyme that is responsible for producing cholesterol in the liver. Fish oil, on the other hand, is a supplement that contains omega-3 fatty acids that are beneficial for heart health. Medical News Today [2] reports that fish oil can help reduce triglyceride levels and lower the risk of heart disease.

There are no known interactions between fish oil and Lipitor, but it is always recommended to consult with a healthcare provider before taking any new supplements or medications. Drugs.com [3] states that taking fish oil with Lipitor may increase the risk of bleeding, especially in people who are taking blood-thinning medications. Therefore, it is important to inform your healthcare provider of all the medications and supplements you are taking to avoid any potential adverse effects.

In terms of side effects, both Lipitor and fish oil can cause some adverse effects. Lipitor can cause muscle pain, weakness, and liver problems in some people [1]. Fish oil can cause stomach upset, diarrhea, and a fishy aftertaste [2]. However, these side effects are usually mild and go away on their own.

In conclusion, there are no known interactions between fish oil and Lipitor, but it is important to consult with a healthcare provider before taking any new supplements or medications. Both Lipitor and fish oil can cause some adverse effects, but they are usually mild and go away on their own.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.medicalnewstoday.com/articles/fish-oil-vs-statins
[3] https://www.drugs.com/drug-interactions/fish-oil-with-lipitor-1749-3873-276-128.html