Objective To report a case of acute occupational trichloromethane poisoning, to alert relevant enterprises to similar episodes and to provide reference for avoiding misdiagnosis.
Methods The patient received relevant examination after careful inquiry of medical history including previous visiting and treatment in other institutions. Simultaneously field study was performed for comprehensively understanding the cause of disease.
Results The patient was diagnosed acute mild toxic hepatitis due to occupational exposure to trichloromethane. After removal from further exposure and symptomatic treatment, the patient was fully recovered. Two clinic follow-ups respectively after half a year and one year showed restored liver function.
Conclusion Trichloromethane can lead to liver damage. In this case, the employers' lack of knowledge on the toxicity of trichloromethane failed them to take effective protective measures and finally resulted in occupational poisoning.
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