About isoflurane
Volatile inhaled general anesthetic
Used for
- Induction and maintenance of general anesthesia during surgery.
Usual adult dose
Given by an anesthesia professional through a vaporizer; concentration is adjusted to the patient and procedure.
Usual dose in children
Used for general anesthesia in children; concentration is adjusted by an anesthesia professional.
Common side effects
- Low blood pressure
- Slow or irregular heartbeat
- Breathing suppression
- Nausea and vomiting
Important warnings
- Can cause malignant hyperthermia in susceptible people.
- May affect breathing and blood pressure; requires continuous monitoring.
- May increase carboxyhemoglobin if used with dry carbon dioxide absorbents.
- Can impair alertness after anesthesia; avoid hazardous activities until recovered.
Pregnancy
Use only when necessary for surgery; discuss risks with the anesthesia team.
Breastfeeding
Small amounts are expected to clear rapidly; ask the anesthesia team when breastfeeding can resume.
Interactions
- Other anesthetics and sedatives can increase breathing and blood pressure effects.
- Non-depolarizing muscle relaxants may have stronger effects.
- Epinephrine and other sympathomimetics may increase heart rhythm risks.
- Isoniazid may increase liver injury risk.
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 It may be incomplete or out of date.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.