Hyperphosphatemia

Background

• >4.5 mg/dL

Diagnosis

Symptoms usually related to associated renal failure, hypocalcemia or hypomagnesemia

Differential Diagnosis

• Calciphylaxis

Treatment

1. Treat the underlying cause
2. Restrict calcium phosphate intake
3. IV Normal Saline (if normal renal fx)
4. Acetazolamide (500mg IV q6hr) - if normal renal fx
5. Oral phosphate binders (aluminum carbonate or hydroxide)
6. Hemodialysis

Sources

Tintinalli

See Also

• Electrolyte Abnormalities (Main)