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KMID : 1161920240210010011
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Journal of Medicine and Life Science
2024 Volume.21 No. 1 p.11 ~ p.14
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Case series of pyridoxine-induced neuropathy
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Ko Ji-Hee
Kang Sa-Yoon
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Abstract
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Excess of pyridoxine, in contrast to other nutrients, may result in neuropathy. Case reports are sparse, and little is known about the clinical and electrophysiological findings. Eight patients with pyridoxine-induced neuropathy were investigated, and a review of the literature was undertaken. Nerve conduction studies showed axonal sensory or sensorimotor polyneuropathy. And the blood levels of vitamin B6 were markedly elevated. After discontinuation of vitamin supplements, all patients showed no significant improvement in clinical and electrophysiological findings. Supplementation with pyridoxine at doses greater than 50 mg/day for extended durations may be harmful and should be discouraged.
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KEYWORD
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Nerve conduction studies, Polyneuropathies, Pyridoxine, Vitamin B6
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