About methoxyflurane
Inhaled volatile anesthetic and analgesic
Used for
- Short-term relief of moderate to severe pain after injury or during procedures.
Usual adult dose
Inhale 3 mL using the supplied inhaler; a second 3 mL may be used if needed. Maximum 6 mL daily and 15 mL weekly.
Usual dose in children
For children aged 5 years and older: inhale 3 mL; a second 3 mL may be used if needed. Maximum 6 mL daily.
Common side effects
- Dizziness or drowsiness
- Headache
- Nausea or vomiting
- Cough or altered taste
Important warnings
- Can cause kidney damage, especially with excessive or repeated doses.
- May cause low blood pressure, reduced alertness, or breathing problems.
- Avoid use with other medicines that affect the kidneys or cause sedation unless medically assessed.
- Use only with the supplied inhaler and follow local product instructions.
Pregnancy
Use only when clinically necessary; human pregnancy information is limited.
Breastfeeding
Human information is limited; consider potential infant effects and follow clinical guidance.
Interactions
- Other kidney-toxic medicines may increase kidney injury risk.
- Alcohol, opioids, and sedatives may increase drowsiness or breathing suppression.
- Other anesthetics may increase central nervous system and cardiovascular effects.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.