Lipitor and Omega-3 are both commonly used to manage high cholesterol levels. Lipitor is a statin medication that works by blocking the enzyme that produces cholesterol in the liver, while Omega-3 is a type of polyunsaturated fatty acid that is found in fish oil.

There is no evidence to suggest that taking Lipitor and Omega-3 together will cause any adverse reactions. In fact, some studies have shown that combining these two treatments may have a synergistic effect on reducing cholesterol levels [2].

However, it is important to note that both Lipitor and Omega-3 can cause side effects on their own. Lipitor can cause muscle pain, weakness, and liver problems, while Omega-3 can cause upset stomach, diarrhea, and a fishy aftertaste.

As with any medication, it is important to speak with a healthcare provider before starting a new treatment regimen. They can help determine if Lipitor and Omega-3 are appropriate for an individual's specific health needs and monitor for any potential side effects.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3571733/
[3] https://www.medicalnewstoday.com/articles/fish-oil-vs-statins