According to the sources provided, there is a potential interaction between Lipitor (atorvastatin) and fish oil. Lipitor is a medication used to lower cholesterol levels, while fish oil is a dietary supplement rich in omega-3 fatty acids.

The first source, Drug Patent Watch, provides information about Lipitor. It mentions that Lipitor is a statin medication used to treat high cholesterol. It does not specifically mention any interactions with fish oil.

The second source, Drugs.com, provides a drug interaction checker tool. When checking for interactions between fish oil and Lipitor, it suggests that taking fish oil supplements with Lipitor may increase the risk of bleeding. It recommends monitoring for signs of bleeding, such as easy bruising or bleeding gums, and to seek medical attention if any occur.

The third source, Medical News Today, compares fish oil to statins, including Lipitor. It states that both fish oil and statins can help lower cholesterol levels, but they work in different ways. Fish oil is known to have anti-inflammatory properties and may reduce triglyceride levels, while statins primarily target LDL cholesterol. The article does not specifically mention any interactions between fish oil and Lipitor.

In conclusion, based on the provided sources, there is a potential interaction between Lipitor and fish oil. Taking fish oil supplements with Lipitor may increase the risk of bleeding. It is important to monitor for signs of bleeding and seek medical attention if any occur. However, it is always advisable to consult with a healthcare professional or pharmacist before starting any new medications or supplements, as they can provide personalized advice based on an individual's specific medical history and needs.

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