Answer
Tobacco smoke can increase melatonin breakdown and reduce its effect; starting or stopping smoking may alter exposure.
Sources for this answer
- Mellozzan 2mg Tablets — Current selected SmPCemc · Summary of Product Characteristics
- Melatonin 2mg Hard Capsules — 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.