Heart Health
Ask the doctors: Is a high potassium level bad?
The most common reason for high potassium is failure of the kidneys to remove potassium as fast as you add it through food and drink. Kidney disease may be one reason your doctor is checking your potassium. There are other relatively rare diseases that can cause high potassium levels. But it sounds like your doctor suspects that one of your medications may be compromising your kidneys' ability to clear potassium, and ACE inhibitors like lisinopril are among the most common culprits. You should not be taking other medications that can raise potassium, like certain diuretics or nonsteroidal anti-inflammatory agents (NSAIDs) such as ibuprofen or naproxen.
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