According to the sources provided, there is no specific guidance on how long one should wait between taking Lipitor and allergy medications. However, it is recommended to consult with a healthcare professional before taking any medications together.

Lipitor (atorvastatin) is a prescription medication used to lower cholesterol levels in the blood [1]. It is important to take Lipitor as directed by your healthcare provider. Lipitor may interact with other medications, including allergy medications, so it is essential to consult with a healthcare professional before taking any new medications.

Allergy medications, such as antihistamines, are commonly used to treat allergy symptoms such as sneezing, runny nose, and itchy eyes. Antihistamines work by blocking the effects of histamine, a chemical released by the body during an allergic reaction [2]. It is important to note that some antihistamines may cause drowsiness, which can be intensified when taken with other medications.

In addition, it is important to be aware of any potential drug interactions when taking multiple medications. According to a study published in the National Center for Biotechnology Information, some antihistamines may interact with statins, including Lipitor, and may increase the risk of muscle damage [3]. Therefore, it is essential to consult with a healthcare professional before taking any new medications, including allergy medications, while taking Lipitor.

In conclusion, there is no specific guidance on how long one should wait between taking Lipitor and allergy medications. However, it is recommended to consult with a healthcare professional before taking any medications together. It is also important to be aware of potential drug interactions and to follow the directions of your healthcare provider when taking any medications.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.yalemedicine.org/news/13-things-to-know-paxlovid-covid-19
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6346926/