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A 1 5-year-old boy developed facial tics following treatment with lamotrigine for bipolar disorder type I.
The boy was administered lamotrigine 25 mg/day for the first 4 days to treat bipolar disorder type I [route not stated]; his dose was titrated upwards by 50 mg/week. Around 4 weeks later, he was receiving lamotrigine 10Omg twice daily. His mental...