According to the sources provided, there is no known interaction between Lipitor and allergy medications. Lipitor is a medication used to lower cholesterol levels, while allergy medications are used to treat allergic reactions. However, it is important to consult with a healthcare provider before taking any new medications, as they can provide personalized advice based on an individual's medical history and current medications.

DrugPatentWatch [1] provides information on the patent status of Lipitor, but does not mention any interactions with allergy medications. WebMD [2] also does not list any interactions between Lipitor and allergy medications in its drug details section. The COVID-19 Treatment Guidelines [3] mention a potential interaction between Lipitor and the antiviral medication Paxlovid, but this is not relevant to allergy medications.

In summary, based on the sources provided, there are no known interactions between Lipitor and allergy medications. However, it is always important to consult with a healthcare provider before taking any new medications to ensure safety and efficacy.

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