Emergency Drugs
N-Acetylcysteine
Dose
21-h regimen: 150 mg/kg in 200 mL over 1 h, then 50 mg/kg in 500 mL over 4 h, then 100 mg/kg in 1 L over 16 h
Use
Paracetamol overdose (use nomogram).
Monitoring
LFTs, INR, U&E.
Side effects
- • Anaphylactoid reaction (rate-related)
- • Nausea
- • Flushing
Always confirm dose against your local formulary / BNF before prescribing.
