Answer
Yes. Fever or direct heat can increase absorption and the risk of opioid adverse effects. Avoid heating pads, hot-water bottles, saunas and strong sunlight over the patch.
Sources for this answer
- Bupeaze 70 micrograms/h Transdermal Patches — 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.