Which conditions may cause hypoglycemia (low blood sugar)?

Updated: Jul 23, 2020
  • Author: Osama Hamdy, MD, PhD; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Other causes of hypoglycemia include the following, singly or in combination (eg, chronic renal failure and sulfonylurea ingestion):

  • Autoimmune hypoglycemia: Insulin antibodies and insulin receptor antibodies

  • Hormonal deficiencies: Hypoadrenalism (cortisol), hypopituitarism (growth hormone) (in children), glucagons deficiency (rare), and epinephrine (very rare)

  • Critical illnesses: Cardiac, hepatic, and renal diseases; sepsis with multiorgan failure

  • Exercise (in patients with diabetes treated with diabetes medications)

  • Pregnancy

  • Renal glycosuria

  • Ketotic hypoglycemia of childhood

  • Adrenal insufficiency

  • Hypopituitarism

  • Starvation

  • Artifact

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