Merck Manual

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What Makes the Potassium Level Decrease?

What Makes the Potassium Level Decrease?

Cause

Disorders

Drugs or Other Circumstances

Increased loss from the digestive tract (most common)

Diarrhea

Vomiting

Laxatives if used a long time

Increased excretion in urine

Increased production of aldosterone due to a tumor in the adrenal glands

A low level of magnesium (hypomagnesemia)

Diuretics (commonly)

Licorice (natural) if consumed in large amounts

Tobacco chewing (certain types)

Increased movement from blood into cells

An overactive thyroid gland (hyperthyroidism)

Insulin

Some drugs used to treat asthma: albuterol, terbutaline, and theophylline