Korean J Gastroenterol.  2005 Mar;45(3):195-200.

Two Cases of Metronidazole-induced Encephalopathy

Affiliations
  • 1Departments of Internal Medicine, Yeungnam University College of Medicine, Daegu, Korea. HJLEE@med.yu.ac.kr
  • 2Departments of Radiology, Yeungnam University College of Medicine, Daegu, Korea.

Abstract

Metronidazole is a 5-nitroimidazole compound known as an antimicrobial agent widely used for the treatment of protozoal infection, anaerobic infection, Helicobacter pylori infection and hepatic encephalopathy. It may produce a number of neurologic side effects including peripheral neuropathy, seizure, encephalopathy, ataxic gait and dysarthritic speech. There have been ten or more reports of metronidazole-induced encephalopathy in the literatures including a few reports of brain imaging changes by magnetic resonance images (MRI). However, none of the case of metronidazole-induced encephalopathy in patients with hepatic encephalopathy has been reported yet. Recently, we experienced two cases of metronidazole-induced encephalopathy in patients with liver cirrhosis caused by chronic hepatitis B, which were diagnosed by brain MRI and MR spectroscopy. In this report, we present 2 cases of metronidazole-induced encephalopathy with MR imaging and MR spectroscopic changes including follow- up imaging performed after the discontinuation of the metronidazole with a review of the literatures.

Keyword

Metronidazole; Metronidazole-induced encephalopathy; MRI; Hepatic encephalopathy

MeSH Terms

Anti-Infective Agents/*adverse effects
Brain Diseases/*chemically induced/diagnosis
English Abstract
Female
Humans
Magnetic Resonance Imaging
Magnetic Resonance Spectroscopy
Male
Metronidazole/*adverse effects
Middle Aged
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