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Isoniazid Administration and Liver Injury

Raul Rudoy, MD; John Stuemky, MD; J. Rainer Poley, MD
Am J Dis Child. 1973;125(5):733-736. doi:10.1001/archpedi.1973.04160050077016.
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Isoniazid has been recognized as a cause of liver dysfunction in some patients receiving antituberculous therapy. The medical literature contains reports of isoniazid-induced hepatic injury in adults, but essentially none in children. We used this drug to treat a 6-year-old Caucasian boy for active tuberculosis, and he suffered a reaction characterized by high fever, a morbilliform exanthem, peripheral eosinophilia, enlargement of the liver, and abnormal liver function and histologic findings. The histologic appearance of the liver lesion and the clinical manifestations were suggestive of a hypersensitivity reaction, probably of the delayed type.


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