According to the sources provided, there is no specific information regarding the adverse effects of combining Lipitor (atorvastatin) and peppermint oil. However, it is always important to exercise caution when combining medications with herbal supplements.

Lipitor is a medication used to lower cholesterol levels in the body [1]. It belongs to a class of drugs called statins and is commonly prescribed to reduce the risk of heart disease and stroke. On the other hand, peppermint oil is a herbal supplement often used for its potential digestive and relaxation benefits.

The NHS website mentions that there are no known interactions between atorvastatin and peppermint oil [2]. However, it is always advisable to consult with a healthcare professional or pharmacist before combining any medications or supplements, as individual circumstances can vary.

It is worth noting that peppermint oil may have some potential side effects on its own, such as heartburn, allergic reactions, and interactions with certain medications [3]. Therefore, it is important to be aware of these potential risks and consult a healthcare professional if any concerns arise.

In summary, while there is no specific information regarding the adverse effects of combining Lipitor and peppermint oil, it is always recommended to consult with a healthcare professional or pharmacist before combining any medications or supplements. They can provide personalized advice based on individual circumstances and potential interactions.

Sources:
[1] Drug Patent Watch. Lipitor - Tradename Details. Retrieved from https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] NHS. Atorvastatin: Taking Atorvastatin with Other Medicines and Herbal Supplements. Retrieved from https://www.nhs.uk/medicines/atorvastatin/taking-atorvastatin-with-other-medicines-and-herbal-supplements/
[3] DrugBank. Atorvastatin. Retrieved from https://go.drugbank.com/drugs/DB11198