Background: Metabolic conditions, including hyperglycemia, can have various neurological presentations. Hemiballismus hemichorea is a rare manifestation reported to occur with severe hyperglycemia and is reversed in most cases with control of sugars.
Case report: We present a case of a patient with no known diabetes history who presented with uncontrolled jerky movements of one-half of her body, which resolved with achievement of euglycemia.
Conclusions: Important differential diagnoses that need to be evaluated are discussed.
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