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Dr. Andrew Rynne
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Could the elevated potassium values be due to blood pressure medicines?

I had been taking lisonpril for my blood pressure, but was getting high levels of potassium and they took me off that med and put me on Norvasc, but my blood pressure has not gone down, was sick with emtreme sinusitis at the time but am still getting elevated readings of potassium, can this be from med or should I start looking for another reason.
Thu, 30 Mar 2017
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Internal Medicine Specialist 's  Response
Hi. I have gone through your question and understand your concerns.
Lisinopril is ACE i group of medicine and hyperkalemia is known side effect of ACEi. It depends that when did you left taking lisinopril ,if its yesterday than its very early to say that its due to some other cause , but having hyperkalemia is very dangerous thing to have so i suggest you to consult your physician to get potassium levels under normal range.
There are many causes of hyperkalemia so i suggest you to consult your physician so he/she should look for any treatable cause.
Depending on the clinical findings and the results of the laboratory work, the following may be indicated:
Glucose level - In patients with known or suspected diabetes mellitus
Digoxin level - If the patient is on a digitalis medication
Arterial or venous blood gas - If acidosis is suspected
Urinalysis - If signs of renal insufficiency without an already known cause are present (to look for evidence of glomerulonephritis)
Serum cortisol and aldosterone levels - To check for mineralocorticoid deficiency when other causes are eliminated
Serum uric acid and phosphorus tests - For tumor lysis syndrome
Serum creatinine phosphokinase (CPK) and calcium measurements - For rhabdomyolysis
Urine myoglobin test - For crush injury or rhabdomyolysis; suspect if urinalysis reveals blood in the urine but no red blood cells are seen on urine microscopy.

Hope this answers your question. If you have additional questions or follow up questions then please do not hesitate to ask. I will be happy to answer your questions.

Wishing you good health.
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