Hypophosphatemia
Definition
Hypophosphatemia is a low level of phosphorus in the blood.
Alternative Names
Low blood phosphate; Phosphate - low
Causes
Many conditions may cause hypophosphatemia, including:
- Alcoholism
- Diarrhea (chronic)
- Starvation
- Vitamin D deficiency
Symptoms
- Bone pain
- Confusion
- Muscle weakness
Exams and Tests
- Anemia due to excess destruction of red blood cells (hemolytic anemia)
- Heart muscle damage (cardiomyopathy)
Treatment
Treating the cause of hypophosphatemia is needed to correct the phosphorous deficiency. Phosphate can be given by mouth or through a vein.
Outlook (Prognosis)
The outlook depends on the disease causing the condition.
When to Contact a Medical Professional
Call your health care provider if you have muscle weakness or confusion.
References
Pollak MR, Yu ASL, Taylor EN. Disorders of calcium, magnesium, and phosphate balance. In: Brenner BM, ed. Brenner and Rector's The Kidney. 8th ed. Philadelphia, Pa: Saunders Elsevier;2007:chap 16.
Yu ASL. Disorders of magnesium and phosphorous. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 120.
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

