Dementia patients have been known to do the strangest things. What will happen if a patient takes a whole package of memantine at once?
In one case of suicidal overdosage the patient survived the oral intake of up to 400 mg memantine with effects on the central nervous system (e.g. restlessness, psychosis, visual hallucinations, proconvulsiveness, somnolence, stupor and unconsciousness) which resolved without permanent sequelae. Treatment of overdosage should be symptomatic.
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