Lipitor is a prescription medication that contains atorvastatin, which is a type of drug known as a statin. Statins are used to lower cholesterol levels in the blood, which can reduce the risk of heart disease and stroke. While Lipitor is generally safe and well-tolerated by most people, it can have some side effects, including changes in potassium levels.

According to GoodRx [2], Lipitor is not known to directly affect potassium levels. However, some medications that are often taken alongside Lipitor, such as diuretics and ACE inhibitors, can lower potassium levels in the blood. Therefore, it is possible that taking Lipitor in combination with these medications could lead to low potassium levels.

Everyday Health [3] notes that low potassium levels can cause a range of symptoms, including weakness, fatigue, muscle cramps, and irregular heartbeat. In severe cases, low potassium levels can be life-threatening.

It is important to talk to a healthcare provider before taking Lipitor or any other medication, especially if you are taking other medications or have any underlying medical conditions. They can help you understand the potential side effects of the medication and how to manage them.

In summary, while Lipitor is not known to directly impact potassium levels, it is possible that taking it in combination with other medications could lead to low potassium levels. If you experience any symptoms of low potassium levels while taking Lipitor, it is important to speak with a healthcare provider.

Sources:
[2] https://www.goodrx.com/drugs/side-effects/these-drugs-can-mess-with-your-potassium
[3] https://www.everydayhealth.com/drugs/lipitor