Hypophosphatemia

Definition

Hypophosphatemia is a low level of phosphorus (phosphate) in the blood.

Alternative Names

Low blood phosphate; Phosphate - low; Hyperparathyroidism - low phosphate

Causes

The following may cause hypophosphatemia:

Symptoms

Symptoms may include:

Exams and Tests

Your health care provider will examine you.

The following tests may be done:

Exam and testing may show:

Treatment

Treatment depends on the cause. Phosphate can be given by mouth or through a vein (IV).

Outlook (Prognosis)

How well you do depends on what has caused the condition.

When to Contact a Medical Professional

Contact your provider if you have muscle weakness or confusion.

References

Chonchol M, Smogorzewski MJ, Stubbs, JR, Yu ASL. Disorders of calcium, magnesium, and phosphate balance. In: Yu ASL, Chertow GM, Luyckx VA, Marsden PA, Skorecki K, Taal MW, eds. Brenner and Rector's The Kidney. 11th ed. Philadelphia, PA: Elsevier; 2020:chap 18.

Klemm KM, Klein MJ, Zhang Y. Biochemical markers of bone metabolism. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 24th ed. Philadelphia, PA: Elsevier; 2022:chap 16.

Yu ASL. Diseases of magnesium and phosphorus. In: Goldman L, Cooney KA, eds. Goldman-Cecil Medicine. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 105.



Review Date: 12/31/2023
Reviewed By: Walead Latif, MD, Nephrologist and Clinical Associate Professor, Rutgers Medical School, Newark, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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