Diseases
hypokalemia
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Overview
Low potassium (hypokalemia) refers to a lower than normal potassium level in your bloodstream. Potassium helps carry electrical signals to cells in your body. It is critical to the proper functioning of nerve and muscles cells, particularly heart muscle cells.
Symptoms
- constipation.
- heart palpitations.
- extreme tiredness (fatigue).
- muscle weakness and spasms.
- tingling and numbness.
Causes
- eating disorders, such as bulimia nervosa.
- excessive sweating (hyperhidrosis).
- alcohol use disorder.
Risk factors
- water pills (diuretics). diuretics can cause too much potassium to be expelled
- other medications such as insulin, certain antibiotics and corticosteroids.
- adrenal disorders, such as primary aldosteronism and cushing’s syndrome.
Diagnosis
- blood tests.
- urine test.
Medicines used
Frequently asked questions
What is hypokalemia?
Low potassium (hypokalemia) refers to a lower than normal potassium level in your bloodstream. Potassium helps carry electrical signals to cells in your body. It is critical to the proper functioning of nerve and muscles cells, particularly heart muscle cells.
What are the symptoms of hypokalemia?
constipation., heart palpitations., extreme tiredness (fatigue)., muscle weakness and spasms., tingling and numbness.
What causes hypokalemia?
eating disorders, such as bulimia nervosa.; excessive sweating (hyperhidrosis).; alcohol use disorder.
Which medicines are used for hypokalemia?
amiloride, sodium zirconium cyclosilicate, spironolactone
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