Abnormal movements including tremor and myoclonus have been described in patients
with vitamin B12 deficiency before or upon initiation of treatment with vitamin B12.
We report here a case of vitamin B12 deficiency in an infant who presented first with
chaotic rotatory eye movements (myoclonus) followed by the appearance of tremors in
the tongue, palate, upper and lower limbs. All the abnormal movements disappeared
spontaneously within a period of six weeks. To our knowledge, this is the first report
of vitamin B12 deficiency presenting with myoclonus in the eyes.
Keywords
Vitamin B12 - eye myoclonus - tremor - abnormal movements
