N-Acetylcysteine (NAC)

Reversal Agents / Antidotes

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Calculated Induction Dose
--mg

Mechanism of Action

Glutathione analogue containing a sulfhydryl group that reduces and inactivates toxic metabolites.

Dosage Guidelines

TypeRouteRate / Dose
IV ProtocolIV150mg/kg over 60m, 50mg/kg over 4h, 100mg/kg over 16h.
Oral ProtocolPO140mg/kg load, then 70mg/kg q4h.

Clinical Pearls

1

First-line antidote for treating acetaminophen overdose and hepatotoxicity.