Lipitor (atorvastatin) is a medication used to lower cholesterol levels in the blood. It is essential to know whether other medications can be taken with Lipitor to avoid any adverse effects. According to the sources provided, it is crucial to consult a doctor or pharmacist before taking any other medication with Lipitor [2][3].

Drugpatentwatch.com [1] lists several drugs that have patent protection and are similar to Lipitor, including Crestor, Zocor, and Vytorin. Goodrx.com [2] has a list of 379 drugs that may interact with Lipitor, including aspirin, amlodipine, and metformin. The interactions can range from mild to severe, so it is necessary to consult a healthcare provider before taking any other medication with Lipitor.

Webmd.com [3] suggests that certain medications may increase the risk of muscle problems when taken with Lipitor. These medications include fibrates, niacin, cyclosporine, and certain antibiotics. The website also recommends avoiding grapefruit juice while taking Lipitor as it can increase the risk of side effects.

In conclusion, it is essential to consult a healthcare provider before taking any other medication with Lipitor. Several drugs may interact with Lipitor, and some may increase the risk of muscle problems or other side effects. Patients should inform their doctor of all the medications they are taking, including over-the-counter drugs and supplements, to avoid any adverse effects [2][3].

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