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Hypoglycemia\u00a0symptoms\u00a0are\u00a0classified\u00a0into\u00a0two\u00a0types:\u00a0autonomic\u00a0and\u00a0neuroglycopenic\u00a0symptoms. If a person develops neuroglycopenic symptoms before the appearance of autonomic symptoms or is asymptomatic until blood sugar levels are very low, the patient will develop hypoglycemic unawareness (HU).<\/jats:p><\/jats:sec><jats:sec><jats:title>Case presentation<\/jats:title><jats:p>A 25-year-old Iranian woman with HU presented with a severe hypoglycemic episode. This episode was characterized by loss of consciousness and focal neural deficits, which were unusual symptoms in the patient, who was a medical intern with type 1 diabetes and currently being treated with regular and NPH insulin.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Hypoglycemia is a common complication in\u00a0diabetic\u00a0patients\u00a0receiving\u00a0oral\u00a0or\u00a0insulin\u00a0therapy. A patient\u00a0who\u00a0is\u00a0unaware\u00a0of\u00a0their\u00a0condition\u00a0may\u00a0experience\u00a0severe and\u00a0potentially\u00a0fatal\u00a0episodes. These incidents can negatively affect their daily lives as well as their careers and jobs. Hypoglycemia-associated autonomic failure is a possible cause for patients with multiple episodes of severe hypoglycemia. 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A copy of the written consent is available for review by the Editor-in-Chief of the Journal of Medical Case Reports. Patient consent was obtained before writing an article in accordance with the Tehran University of Medical Sciences Ethics Committee\u2019s ethical code.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval and consent to participate"}},{"value":"Written informed consent was obtained from the patient for publication of this case report and any accompanying images. A copy of the written consent is available for review by the Editor-in-Chief of the Journal of Medical Case Reports.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"All authors claim that there is not any potential competing or conflict of interest.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"283"}}