Answer
It is intended to reduce pain while the patient remains conscious, although dizziness and drowsiness can occur. It must not be used as a general anaesthetic.
Sources for this answer
- PENTHROX 99.9%, 3 ml inhalation vapour, liquid — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.