Lipitor is a medication used to treat high cholesterol levels, while allergy medications are used to treat symptoms of allergies. The question is whether Lipitor and allergy medications can interact negatively.

According to DrugPatentWatch [1], there are no known interactions between Lipitor and allergy medications. However, it is important to note that this does not mean that there are no potential interactions.

The FDA warns that grapefruit juice can interact with some medications, including Lipitor [2]. This is because grapefruit juice can increase the level of the medication in the bloodstream, leading to potentially dangerous side effects. However, this does not necessarily mean that all citrus fruits will have the same effect.

GoodRx [3] lists Paxlovid as a medication that can interact with Lipitor. Paxlovid is used to treat COVID-19 and can increase the level of Lipitor in the bloodstream, potentially leading to side effects. However, it is important to note that this interaction is specific to Paxlovid and not all allergy medications.

In conclusion, based on the sources provided, there are no known interactions between Lipitor and allergy medications. However, it is important to be cautious when taking medications and to always consult with a healthcare provider before starting any new medication or combination of medications.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.fda.gov/consumers/consumer-updates/grapefruit-juice-and-some-drugs-dont-mix
[3] https://www.goodrx.com/paxlovid/drug-interactions