Lipitor, the brand name for atorvastatin, is a medication used to lower cholesterol levels in the blood. It works by blocking an enzyme in the liver that produces cholesterol. It is important to be aware of potential interactions with other medications when taking Lipitor.

According to DrugPatentWatch [1], there are 163 drugs that have a known interaction with Lipitor. Some of these interactions may increase the risk of side effects or decrease the effectiveness of either medication. It is important to inform your doctor of all medications, including over-the-counter drugs and supplements, you are taking before starting Lipitor.

GoodRx [2] lists some medications that may interact with Lipitor, including some antibiotics, antifungal medications, and medications used to treat HIV. Some of these medications may increase the risk of muscle pain or weakness, which is a potential side effect of Lipitor. Other medications, such as certain blood pressure medications and heart medications, may increase the risk of side effects such as liver damage.

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

In conclusion, Lipitor may interact with a variety of medications, and it is important to inform your doctor of all medications you are taking before starting Lipitor. Some interactions may increase the risk of side effects or decrease the effectiveness of either medication. It is also important to avoid grapefruit and grapefruit juice while taking Lipitor.

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