What should be the focus of medical history of a patient with 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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The patient's medication and drug history should be reviewed carefully for potential causes of hypoglycemia. Inquire if the patient is taking any new medications. A history of insulin usage or ingestion of an oral hypoglycemic agent may be known, and possible toxic ingestion should be considered. Injecting a shot of insulin and skipping a meal or overdosing insulin is the most common cause in patients with diabetes. It is important to determine how the patient is taking oral insulin secretagogues, particularly sulfonylureas. Often, those with nocturnal hypoglycemia are taking the drug late at night after supper. A careful history will uncover this.

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