What does it mean when Potasium levels are low?!

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Things that can cause low potassium: Low potassium can occur for many reasons. Use of water pills (diuretics), diarrhea, and chronic laxative abuse are the most common causes of low potassium levels.

Illness and other medications may also lower potassium levels. Woman and African-Americans are at higher risk of developing hypokalemia.

Other causes of hypokalemia include:

Kidney losses

Certain kidney disorders such as renal tubular acidosis (for example, chronic kidney failure and acute kidney failure)

Magnesium deficiency

Leukemia

Cushing's disease (and other adrenal disorders)
Loss of potassium through stomach and intestines

Vomiting

Enemas or excessive laxative use

Diarrhea

After ileostomy operation
Effect of medicines

Water pills (diuretics)

Medicines used for asthma or emphysema (beta-adrenergic agonist type of drugs such as bronchodilators, steroids, or theophylline)

Aminoglycosides (a type of antibiotic used for treating certain serious infections)
Shifting of potassium into and out of cells can lower the concentration of potassium measured in the blood.

Use of insulin

Certain metabolic states (such as alkalosis)
Decreased food intake or malnutrition

Anorexia

Bulimia

Bariatric surgery

Alcoholism

Potassium is important for heart, muscle and nerve functions. It also helps regulate fluids in the body. Most people get adequate potassium when they eat a healthy, balanced diet. For those lacking in potassium, many health ailments can arise.

Diseases
Certain diseases, such as diabetes and kidney diseases, can cause low potassium. People who sweat a great deal, such as athletes, may suffer from low potassium levels.
Muscle Spasms
Low potassium levels can cause muscle spasms and twitches. It may also cause the disruptive restless leg syndrome.
Fatigue
Fatigue can be the result of low potassium levels. A person may feel lethargic, achy, sore, and tired all of the time.
Anxiety
Anxiety, irritability, and mild depression can be caused by low potassium levels. Mood swings and emotional changes can also be the result of low potassium levels.
Bone Loss
Bone loss in osteoporosis can be traced to those with low potassium levels. Adequate intake of potassium helps reduce bone loss.

Hope this helps! :)