Lipitor (atorvastatin) is a medication used to lower cholesterol levels in the blood. Like all medications, Lipitor has the potential to interact with other drugs and cause negative side effects.

According to Drug Patent Watch [1], Lipitor has 266 drug interactions, including 11 major drug interactions. Major drug interactions may increase the risk of side effects or decrease the effectiveness of the medication. It is important to inform your doctor of all medications you are taking, including over-the-counter medications, vitamins, and supplements, before starting Lipitor.

GoodRx [2] lists several medications that may interact with Lipitor, including some antibiotics, antifungal medications, and heart medications. It is important to note that this is not a comprehensive list and there may be other medications that interact with Lipitor.

According to Verywell Health [3], some common side effects of Lipitor include muscle pain, weakness, and tenderness. In rare cases, Lipitor may cause a serious muscle condition called rhabdomyolysis. Lipitor may also interact with grapefruit juice, which can increase the level of the medication in the blood and increase the risk of side effects.

In conclusion, while Lipitor is generally considered safe and effective, it is important to be aware of potential drug interactions and side effects. Patients should inform their doctor of all medications they are taking and report any unusual symptoms while taking Lipitor.

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