When taking Lipitor (atorvastatin), a cholesterol-lowering medication, it is essential to be cautious with salt substitutes that contain potassium chloride. Potassium chloride, often found in salt substitutes as a salt alternative, can potentially interact with certain medications like Lipitor. This interaction can lead to increased levels of potassium in the blood, which can be harmful, especially for individuals with certain health conditions or those taking specific medications. It is advisable to consult with a healthcare provider or pharmacist before using salt substitutes containing potassium chloride while on Lipitor to avoid any potential adverse effects [2][3].

Sources:
[2] https://www.nkch.org/blog/foods-that-can-fool-with-your-meds
[3] https://www.uspharmacist.com/article/drug-interactions-with-vitamins-and-minerals