Fast Five Quiz: Vitamin D Practice Essentials

Romesh Khardori, MD, PhD


February 09, 2022

Medications that are known to lower vitamin D levels include:

  • Cholesterol-lowering drugs (eg, cholestyramine, colestipol)

  • Laxatives

  • Orlistat

  • Rifampin

  • Seizure medications (eg, phenobarbital, phenytoin)

  • Steroids (eg, prednisone)

Learn more about the etiology of vitamin D deficiency.


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