Medications that can raise blood sugar as a side effect

Medication that can raise blood sugar in a person with diabetes include:

  • Barbiturates.
  • Thiazide diuretics.
  • Corticosteroids.
  • Birth control pills (oral contraceptives), and progesterone.
  • Catecholamines.
  • Decongestants that contain beta-adrenergic agents, such as pseudoephedrine.
  • The B vitamin niacin. The risk of high blood sugar from niacin decreases after you have taken it for a few months.
  • The antipsychotic medication olanzapine (Zyprexa).


Author: Caroline Rea, RN, BS, MS Last Updated: August 14, 2007
Medical Review: Caroline S. Rhoads, MD - Internal Medicine
Matthew I. Kim, MD - Endocrinology & Metabolism

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