Answer
It is primarily a soothing demulcent rather than a centrally acting suppressant. Its coating action may reduce stimulation of sensory cough receptors.
Sources for this answer
- Tixylix Infant/Children's Cough Syrup — Current selected SmPCemc · Summary of Product Characteristics
- Tixylix Childrens Dry and Tickly Cough Syrup — 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.