Hypokalemia Low blood potassium

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By nclexnursing

Hypokalemia Low blood potassium

Low blood potassium level is when the blood’s amount is lower than usual this condition is called hypokalemia. 


Potassium is an electrolyte (mineral). It is needed for cells to function correctly. You get potassium through food. The kidneys remove excess potassium through the urinary system to keep a proper balance of the mineral in the body.

Common causes of low blood potassium include:

  1. Medicines, such as diuretics (water pills), certain antibiotics
  2. Diarrhea or vomiting
  3. Eating disorders (such as bulimia)
  4. Hyperaldosteronism
  5. Laxative overuse, which can cause diarrhea
  6. Chronic kidney disease
  7. Low magnesium level
  8. Sweating
  9. Genetic conditions, such as hypokalemic periodic paralysis, Bartter syndrome

Potassium in diet

Potassium is a mineral that your body needs to work correctly. It is a type of electrolyte.


Potassium is a vital mineral for the human body.

Your body needs potassium to:

  1. Build proteins
  2. Break down and use carbohydrates
  3. Build muscle
  4. Maintain normal body growth
  5. Control the electrical activity of the heart
  6. Control the acid-base balance

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