Faintness, muscle spasms, and muscle tingling or numbness can indicate worsening potassium deficiency and should be checked by a physician right away. [4] X Research source

There is also excessive blood potassium, which is more dangerous: The symptoms of too much potassium when serious are heart palpitations, muscle pain, muscle weakness, or numbness, abnormal heart rate, possibly cardiac arrest and death. [6] X Trustworthy Source PubMed Central Journal archive from the U. S. National Institutes of Health Go to source

Depending upon your situation, your doctor may alternatively want you to have a comprehensive metabolic panel (CMP), which adds liver function tests to the basic panel. [9] X Trustworthy Source MedlinePlus Collection of medical information sourced from the US National Library of Medicine Go to source

A blood assay may also include the blood urea nitrogen (BUN) and creatinine levels, which are indicators of kidney function. [11] X Trustworthy Source Cleveland Clinic Educational website from one of the world’s leading hospitals Go to source Patients who are taking digitalis also need their digoxin level checked as this medication affects heart rhythm. [12] X Trustworthy Source PubMed Central Journal archive from the U. S. National Institutes of Health Go to source

Low potassium levels may also be related to low magnesium levels. This could prolong intervals on the EKG and could lead to Torsades de Pointes. [14] X Trustworthy Source PubMed Central Journal archive from the U. S. National Institutes of Health Go to source [15] X Trustworthy Source PubMed Central Journal archive from the U. S. National Institutes of Health Go to source

Diuretics are a class of medication that includes furosemide and hydrochlorothiazide (HCTZ). [17] X Trustworthy Source PubMed Central Journal archive from the U. S. National Institutes of Health Go to source Diuretics attempt to relieve high blood pressure by increasing the urination rate. [18] X Trustworthy Source Harvard Medical School Harvard Medical School’s Educational Site for the Public Go to source However, this can cause minerals like potassium to be hard to maintain in balanced to the bodily needs, as they are excreted from the body in the urine. [19] X Research source

You may need to seek treatment for alcohol addiction if you do not feel that you can drink less on your own. If you overuse laxatives, talk to your physician about how to reduce your reliance on them through natural methods. If you sweat profusely, you may need to change your work or living environment. Keeping cooler, staying hydrated, or taking medical steps to sweat less may be necessary. Other conditions that can lead to low potassium include chronic kidney disease, diabetic ketoacidosis, diarrhea, aldosteronism, hyperaldosteronism, and antibiotic use. [23] X Research source

Hyperaldosteronism leads to a syndrome that includes hypertension and hypokalemia. [28] X Trustworthy Source PubMed Central Journal archive from the U. S. National Institutes of Health Go to source

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