A treatment of sodium benzoate, which binds to<unk>  and forms hippurate, and dextromethorphan, which weakly inhibits the N-methyl-D-aspartate receptors that<unk>  acts on has been shown to improve outcomes in select cases where the disorder is present in attenuated form.
Glycine encephalopathy
Toxic encephalopathy
Ethylmalonic encephalopathy
Wernicke encephalopathy
Post-encephalitic parkinsonism
Early myoclonic encephalopathy
Carbamate poisoning
Viral encephalitis