| LEAD |
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| • | Symptoms of
encephalopathy include |
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| lethargy,
vomiting, irritability, loss of |
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| appetite, and
dizziness |
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| – | Progression of
symptoms lead to ataxia, |
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| reduced level of
consciousness, which may |
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| progress to coma
and death |
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| – | Recovery is often
associated with life-long |
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| epilepsy, mental
retardation, optic |
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| neuropathy,
blindness |
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