Almindelige symptomer efter overdosering er kvalme, opkastning, diarré, alvolig knoglemarvsdepression (herunder anæmi, trombocytopeni, leukopeni og agranulocytose), akut nyresvigt såvel som irreversibel neurologisk toksicitet (paraparese / quadriparese), Guillan- Barré - syndrom og Brown- Séquard- syndrom.
Common symptoms of overdosage are nausea, vomiting, diarrhoea, severe bone marrow depression (including anaemia, thrombocytopenia, leukopenia, and agranulocytosis), acute renal insufficiency as well as irreversible neurologic toxicity (paraparesis / quadriparesis), Guillan-Barré syndrome, and Brown-Séquard syndrome.