Liquid for inhalation
100%
Dosage Forms
Uses
Dose and Duration
Individualise dose according to patient’s response. Give by inhalation through a specifically calibrated vaporiser
Induction of anaesthesia
Adult:start with 3% and increase in 0.5–1%
increments every 2–3 breaths. 4–11% concentrations usually
produce surgical anaesthesia in 2–4 minutes (max up to 15% with
oxygen at least 30% and above)
Maintenance of anaesthesia
Adult: 2–6% in nitrous oxide and 2.5–8.5% in
oxygen or oxygen enriched air
Child: 5.2–10% with or without concomitant use
of nitrous oxide