N-Acetylcysteine Overdose: A Case Report
International Journal of Medical Toxicology and Forensic Medicine,
Vol. 11 No. 1 (2021),
23 January 2021
,
Page 32409
https://doi.org/10.32598/ijmtfm.v11i1.32409
Abstract
Background: N-Acetylcysteine (NAC) is a cost-effective antioxidant and very useful treatment for several diseases.
Methods: Here we report a rare case of iatrogenic NAC overdose following the mistake in calculation of the loading dose.
Results: The patient was 14 years old girl referred to a local hospital due to history of intentional ingesting about 7grams acetaminophen. The physician prescribed her 6 grams NAC as a loading dose but 42grams NAC were infused by mistake. After infusion, the patient showed signs of anaphylactic shock and then transferred to Imam Reza toxicology-unite with weakness, lethargy, extreme fatigue, nausea, and dizziness. NAC overdosing, in a short period of time, led to coagulopathy, reduced platelet count, acute renal failure and metabolic acidosis. After 24 h, the patient died. The Medical forensic examination showed minor lung hemorrhage and presence of little amount of Aluminum phosphide in tissues they did not find no vital organ hemorrhage. It is unclear related to NAC overdose, phosphine intoxication or synergic effects.
Conclusion: Massive transfusion of NAC was associated with impairment of coagulation factors, intracranial hypertension, renal failure and metabolic acidosis. Thus, NAC administration should be with caution. The medical history of patients committed suicide are not always accurate and complete evaluation are recommended.
- Medical error
- Aluminum phosphide
- N-Acetylcysteine
- Adverse drug reaction
- Poisening
How to Cite
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