Cervical-lingual-masticator myoclonus, a reaction to prochlorperazine.
D009207:Myoclonus / Q000209:etiology*; D009333:Neck; D011346:Prochlorperazine / Q000633:toxicity*
D011346:Prochlorperazine
MYOCLONUS/etiology; PROCHLORPERAZINE/toxicology