Hypophosphatemia

Common card · No. 467650

Hypophosphatemia is an electrolyte disorder in which there is a low level of phosphate in the blood. Symptoms may include weakness, trouble breathing, and loss of appetite. Complications may include seizures, coma, rhabdomyolysis, or softening of the bones. Nutritional phosphate deficiency is exceedingly rare as phosphate is abundant in most types of foods and is readily passively absorbed from the gastrointestinal tract; hypophosphatemia is thus typically a result of diseases or an adverse effect of medical treatments. Causes include alcohol use disorder, refeeding in those with malnutrition, recovery from diabetic ketoacidosis, burns, hyperventilation, and certain medications. It may also occur in the setting of hyperparathyroidism, hypothyroidism, and Cushing syndrome. It is diagnosed based on a blood phosphate concentration of less than 0.81 mmol/L (2.5 mg/dL). When levels are below 0.32 mmol/L (1.0 mg/dL), it is deemed to be severe. Treatment depends on the underlying cause. Phosphate...

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