A 35 year old black Somalian woman with miliary tuberculosis developed
hepatotoxicity after a few days of treatment with isoniazid, rifampic
in, pyrazinamide, and ethambutol. After withdrawal of all drugs the li
ver profile returned to normal and remained so after challenge with is
oniazid. Hepatotoxicity recurred when rifampicin was added, but it was
well tolerated when reintroduced without isoniazid.