Lipitor, also known as Atorvastatin, is a drug that is used to lower cholesterol levels in the blood. Antibiotics, on the other hand, are drugs that are used to treat bacterial infections. According to Everyday Health [2], there is no known interaction between Lipitor and antibiotics. However, it is important to note that some antibiotics, such as erythromycin and clarithromycin, can increase the levels of Lipitor in the blood. This can increase the risk of side effects, such as muscle pain and liver damage. Therefore, it is important to inform your doctor if you are taking Lipitor and are prescribed antibiotics.

The NHS [3] also recommends informing your doctor if you are taking any other medications, including herbal supplements, as they may interact with Lipitor. For example, grapefruit juice can increase the levels of Lipitor in the blood, which can increase the risk of side effects.

In conclusion, based on the sources provided, there is no known interaction between Lipitor and antibiotics. However, some antibiotics can increase the levels of Lipitor in the blood, which can increase the risk of side effects. Therefore, it is important to inform your doctor if you are taking Lipitor and are prescribed antibiotics. It is also important to inform your doctor if you are taking any other medications or herbal supplements, as they may interact with Lipitor.

Sources:
[2] https://www.everydayhealth.com/high-cholesterol/treatment/cholesterol-lowering-drugs-and-antibiotics-dangerous/
[3] https://www.nhs.uk/medicines/atorvastatin/taking-atorvastatin-with-other-medicines-and-herbal-supplements/