Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels in the blood. According to DrugPatentWatch [1], it works by inhibiting the enzyme HMG-CoA reductase, which is involved in the production of cholesterol in the liver. However, there is no information available on how Lipitor affects potassium levels when taken with salt substitutes.

Salt substitutes are often used by people with high blood pressure as a way to reduce their sodium intake. However, some salt substitutes contain potassium chloride instead of sodium chloride. According to the National Kidney Foundation [2], people with kidney disease or those taking certain medications, such as ACE inhibitors or potassium-sparing diuretics, should avoid salt substitutes containing potassium chloride because it can lead to hyperkalemia, a condition in which there is too much potassium in the blood.

When Lipitor is taken with losartan, a medication used to treat high blood pressure, there is a potential for drug interactions that can affect potassium levels. According to Drugs.com [3], taking Lipitor with losartan can increase the risk of hyperkalemia, especially in people with kidney problems or diabetes. Therefore, it is important to monitor potassium levels closely when taking these medications together.

In conclusion, there is no information available on how Lipitor affects potassium levels when taken with salt substitutes. However, when Lipitor is taken with losartan, there is a potential for drug interactions that can affect potassium levels. It is important to talk to a healthcare provider about any potential drug interactions and to monitor potassium levels closely when taking these medications together.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.kidney.org/sites/default/files/01-10-7269_DBH__PatBro_Hyperkalemia-P.pdf
[3] https://www.drugs.com/drug-interactions/lipitor-with-losartan-276-128-1489-0.html