geriatrics
Medical Assessment of the Older Driver
Diabetes mellitus
 Diabetes Mellitus (DM) poses a risk because patients may become hypoglycemic while driving. Patients who have had a recent hypoglycemic episode with unawareness should not drive for 3 months or until factors contributing to the episode (eg, diet, activity, timing and dose of Severe hyperglycemia is associated with cognitive impairment, and patients should not drive until their blood glucose and symptoms are under better control. 