Tuberculous Meningitis in a One-Year-Old Child With Isoniazid-Induced Hepatotoxicity: A Case Report
Abstract
Tuberculous meningitis (TBM) is predominantly observed in developing countries but remains relatively rare in developed countries. Therefore, if a clinician does not suspect TBM, its diagnosis may be delayed. Furthermore, drug-induced hepatotoxicity is common and can become severe during TBM treatment. Given the importance of multidrug regimens for TBM management, alternative drugs with favorable cerebrospinal fluid (CSF) penetration and high safety in terms of side effects are urgently required. We report a case of a one-year and 10-month-old Japanese boy who presented with an eight-day history of fever and altered consciousness. Contrast-enhanced magnetic resonance imaging revealed brainstem infarction, hydrocephalus, and basilar meningeal enhancement. CSF analysis showed an increased cell count with a predominance of mononuclear cells. On the basis of these findings, we suspected TBM and initiated antituberculosis treatment, including isoniazid, rifampicin, ethambutol, and pyrazinamide, along with steroids and aspirin. TBM was confirmed based on a combination of clinical findings and a positive sputum culture for Mycobacterium tuberculosis. During treatment, the patient developed isoniazid-induced hepatotoxicity, characterized by elevated levels of hepatic transaminases and hyperbilirubinemia. Substituting isoniazid with linezolid and levofloxacin in the initial treatment successfully ameliorated the hepatic injury without additional adverse events. This suggests that…
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Evidence Hub reads this as a case report, done in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health.
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