Lipitor is a medication used to lower cholesterol levels in the blood. The medication can interact with other drugs, which may cause adverse effects. However, the sources provided do not mention any specific drug interactions between Lipitor and allergies.

The first source [1] provides information on the drug Lipitor, including its active ingredient, dosage, and patent status. The second source [2] discusses the drug interactions of Paxlovid, which is a combination of two drugs, ritonavir and nirmatrelvir, used to treat COVID-19. The source mentions that Paxlovid can interact with other drugs, including Lipitor, which may increase the risk of side effects.

The third source [3] provides detailed information on Lipitor, including its uses, dosage, side effects, and precautions. The source mentions that Lipitor can interact with other drugs, such as birth control pills, antibiotics, and antifungal medications. However, the source does not mention any specific drug interactions between Lipitor and allergies.

In conclusion, the sources provided do not mention any known drug interactions between Lipitor and allergies. However, Lipitor can interact with other drugs, which may cause adverse effects. It is essential to inform your healthcare provider about all the medications you are taking, including over-the-counter drugs, supplements, and herbal products, to avoid potential drug interactions.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.covid19treatmentguidelines.nih.gov/therapies/antivirals-including-antibody-products/ritonavir-boosted-nirmatrelvir--paxlovid-/paxlovid-drug-drug-interactions/
[3] https://www.webmd.com/drugs/2/drug-3330/lipitor-oral/details