Mercury intoxication presenting with tics.

  title={Mercury intoxication presenting with tics.},
  author={Albert M. C. Li and Moses H W Chan and Ting Fan Leung and Ronnie C. Cheung and C. K. Lam and Tai Fai Fok},
  journal={Archives of disease in childhood},
  volume={83 2},
A 5 year old Chinese boy presented with recurrent oral ulceration followed by motor and vocal tics. The Chinese herbal spray he used for his mouth ulcers was found to have a high mercury content. His blood mercury concentration was raised. Isolated tics as the sole presentation of mercury intoxication has not previously been reported. 

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