Overdose of Metronidazole can cause symptoms: nausea, vomiting, ataxia, central nervous system depression, seizures and peripheral neuropathy.
Treatment for overdose: Metronidazole does not have a specific antidote. If acute overdose of Metronidazole occurs, symptomatic and supportive treatment should be initiated. Moreover, cardiovascular system and respiratory system should be monitored closely.
Metronidazole is removed by hemodialysis.