Isoniazid and rifampicin are used for management of tuberculosis. Acute poisoning due to isoniazid overdose is associated with repetitive generalized tonic-clonic seizures and severe metabolic acidosis. In toxic doses, rifampicin is known to produce hepatic, renal, hematological disorders, and convulsions. Sometimes, it may produce red man syndrome. We report a case of fatal poisoning with isoniazid and rifampicin. The case was characterized by late presentation, lactic acidosis, and renal failure.

Chloroform, a halogenated hydrocarbon, causes central nervous system (CNS) depression, cardiac arrhythmias, hepatotoxicity, and renal failure. We describe a successful outcome in a case of chloroform ingestion with renal and hepatotoxicity with N-acetylcysteine (NAC) administration and hemodialysis support.

We studied paraphenylenediamine (PPD)-related acute kidney injury (AKI) in 81 patients and also in albino rats experimentally. In the patients' group AKI was found in 32.7%. Of them, 81.4% needed dialysis support. The overall mortality was 25.9%. In experimental rats the renal lesions were noted in all and they were glomerular congestion, intertubular (interstitial) hemorrhages, acute tubular necrosis, mesangial proliferation, and intratubular casts. The severity of renal injury appears to be dose dependent.

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Kimura disease is a rare benign inflammatory disorder presenting as subcutaneous masses or lymphnodal mass in the cervical region. Kimura disease is reported sparsely in patients on maintenance hemodialysis. We report an unusual location of Kimura disease in a patient on maintenance hemodialysis, who had a prolonged, persistent asymptomatic eosinophilia.