Lipitor is a brand name for the drug atorvastatin, which is used to lower cholesterol levels in the body. According to Drug Patent Watch [1], there are no known interactions between Lipitor and antacids. However, it is generally recommended to take antacids at least two hours before or after taking any medication to avoid any potential interactions.

As stated in Verywell Health [2], antacids can interfere with the absorption of certain medications, including statins like Lipitor. Antacids can reduce the amount of medication that is absorbed into the bloodstream, which can make the medication less effective. It is important to talk to a healthcare provider before taking Lipitor and antacids together to ensure that there are no potential interactions.

According to GoodRx [3], there are no known interactions between Lipitor and azithromycin, an antibiotic used to treat bacterial infections. However, it is important to note that other medications or supplements may interact with Lipitor, and it is important to talk to a healthcare provider before taking any new medication or supplement while taking Lipitor.

In conclusion, there are no known interactions between Lipitor and antacids, but it is generally recommended to take antacids at least two hours before or after taking any medication. It is important to talk to a healthcare provider before taking Lipitor and any other medication or supplement to ensure that there are no potential interactions.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.verywellhealth.com/statin-side-effects-and-drug-interactions-698202
[3] https://www.goodrx.com/azithromycin/interactions