Answer
The selected product must not be used in babies under 3 months. Hot-water inhalation also poses a serious scald risk to children.
Sources for this answer
- Menthol and Eucalyptus Inhalation BP 1980 — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.