Methoxyflurane
Other Analgesics and Antipyretics
Sold as PENTHROX
- Drug class
- Other Analgesics and Antipyretics
- Availability
- See label
- Routes
- Inhalation
- Markets covered
- 2
- Products on record
- 3
Overview
Methoxyflurane is an active pharmaceutical ingredient in the Other Analgesics and Antipyretics group (N02BG). The information below is compiled per regulator from the product labels on record, with direct links to the original documents.
Regulatory status by market
| Market | Regulator | Products | Last revision |
|---|---|---|---|
| CA Canada | Health Canada | 2 | March 22, 2025 |
| GB United Kingdom | MHRA | 1 | April 24, 2026 |
CACanada· Health Canada
2 products
Uses
PENTHROX (methoxyflurane) is indicated for: • short-term relief of moderate to severe acute pain, associated with trauma or interventional medical procedures, in conscious adult patients. Due to dose limitations of a treatment course of PENTHROX and the duration of associated pain relief, PENTHROX is not appropriate for providing relief of break-through pain in chronic pain conditions.
PENTHROX is also not appropriate for relief of repetitive pain (see 4 DOSAGE AND ADMINISTRATION). 1 Pregnant Women). 1 Pediatrics Pediatrics (< 18 years of age): No data are available to Health Canada; therefore, Health Canada has not authorized an indication for pediatric use.
4 Geriatrics).
How to take
GBUnited Kingdom· MHRA
1 product
Uses
Emergency relief of moderate to severe pain in conscious adult patients with trauma and associated pain.
How to take
Drug interactions
Known interactions involving Methoxyflurane. Select one for details. This list is informational and not a complete interaction checker.
Interaction data compiled from DDInter (academic, CC-BY). Severity classification only - this is not a complete interaction checker and not medical advice.
Sources & citations
- [1]Health Canada (DPD) · 02474719 · revised March 22, 2025
- [2]MHRA (UK) · PL424670001 · revised April 24, 2026
Information on this page is compiled from public regulatory records. Drugvu is not affiliated with any regulator or pharmaceutical manufacturer. This is not medical advice. Always consult a qualified healthcare professional.