Which clinical history findings are characteristic of type 2 diabetes mellitus (DM)?

Updated: Jul 08, 2020
  • Author: Samuel T Olatunbosun, MD, FACP, FACE; Chief Editor: George T Griffing, MD  more...
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Patients with type 2 diabetes may have any of the symptoms described under type 1 diabetes, but often these persons are asymptomatic. Hyperosmolar nonketotic coma, which may complicate type 2 diabetes mellitus, is characterized by severe dehydration secondary to osmotic diuresis from hyperglycemia. Ketoacidosis, although uncommon, may also occur in type 2 diabetes.

For more information, see Hyperosmolar Coma.

Antecedent history in patients with type 2 diabetes includes frequent or recurrent infections, poor wound healing, blurring of vision, and numbness or tingling sensations in the extremities.

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