Answer
The menthol component of the Thornton & Ross Ltd eucalyptus oil + menthol inhalation product is used to relieve symptoms of bronchitis, sinusitis and similar conditions.
Sources for this answer
- Menthol and Eucalyptus Inhalation BP 1980Thornton & Ross Ltd · emc · SmPC §5.1 Pharmacodynamic properties · Version 4Document updated
Sources checked