Lipitor (atorvastatin) is a medication used to lower cholesterol levels in the blood. It is important to be aware of potential interactions with other medications while taking Lipitor.

According to Drug Patent Watch [1], there are over 300 drug interactions listed for Lipitor. Some of the most significant interactions include those with drugs that affect the liver, such as antibiotics, antifungals, and antivirals. These drugs can increase the risk of side effects and liver damage when taken with Lipitor. Additionally, Lipitor can interact with other medications that lower cholesterol levels, such as fibrates and niacin, which can increase the risk of muscle damage.

GoodRx [2] lists some specific medications that may interact with Lipitor, including certain antibiotics, antifungals, and antivirals, as well as some medications used to treat HIV and hepatitis C. It is important to talk to a healthcare provider before starting any new medications while taking Lipitor.

WebMD [3] also notes that grapefruit and grapefruit juice can interact with Lipitor and increase the risk of side effects. It is recommended to avoid consuming grapefruit while taking Lipitor.

In conclusion, Lipitor can interact with a wide range of medications, particularly those that affect the liver and those that lower cholesterol levels. It is important to talk to a healthcare provider before starting any new medications while taking Lipitor and to avoid consuming grapefruit while taking this medication.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.goodrx.com/atorvastatin/interactions
[3] https://www.webmd.com/drugs/2/drug-3330/lipitor-oral/details