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Short report
Mercury intoxication presenting with tics
  1. Albert M Lia,
  2. Michael H M Chanb,
  3. T F Leunga,
  4. Robert C K Cheungb,
  5. Christopher W K Lamb,
  6. T F Foka
  1. aDepartment of Paediatrics, The Chinese University of Hong Kong, 6th Floor, Clinical Sciences Building, Prince of Wales Hospital, Shatin, Hong Kong SAR, China, bDepartment of Chemical Pathology, The Chinese University of Hong Kong
  1. Dr Li email: Albertm68mcli{at}yahoo.com

Abstract

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.

  • tics
  • mercury poisoning
  • Chinese medicinal herb

https://doi.org/10.1136/adc.83.2.174

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