I'm sorry, but the sources provided do not contain any information regarding the timing of taking allergy medication and Lipitor. The sources focus on the drug interactions of Lipitor with other medications such as Paxlovid and ritonavir-boosted nirmatrelvir. However, if you have any concerns about taking Lipitor with your allergy medication, it is best to consult with your healthcare provider. They can provide you with the most accurate and personalized information based on your medical history and current medications.

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