We describe a male pediatric patient showing dystonic head posture and occasional dystonic movements on the upper limbs since his 24 month of age. Those movements are associated with "burning sensation in the throat", vomiting without nausea and dental erosion. He was treated with antiepileptics, neuroleptics, dopaminergics and proton pump inhibitors, without any evident results. Six years later a proper diagnosis was made and the proper treatment was indicated. In that period of time the patient was recurrently admitted on the hospital and submitted to many lab and other diagnostics tests. The disorder in question is very uncommon and as this particular case was formerly misdiagnosed and hence mistreated, it might be on the interest to the scientific community, health care professionals and medical science students.
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