A 50 year old woman with a history of GERD and gastroparesis medicated with the drug shown above for the last few years presents to your practice. She has new onset involuntary repetitive movements of limbs, lip smacking, tongue protrusion, eye movements, blinking, puckering of lips, and impaired movement of hands.
Challenge: The FDA just issued a statement related to this. What's the diagnosis and what's the cause?
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