Metronidazole may rarely cause encephalopathy and neuropathy. In this study we report a 30-year-old post-partum, ex-addicted female with leukoencephalopathy due to metronidazole.

A 45-year-old man with bilateral blurred vision referred to toxicology department, after treatment he suffered from vision loss in left eye while his right eye was intact. Visual impairment due to methanol poisoning usually occurs bilaterally, but in our case was interestingly unilateral.