Answer
It combines two pain-relief mechanisms and is licensed when suitable single-ingredient painkillers have not provided adequate relief. It also carries opioid and NSAID risks, so it is not right for every pain.
Sources for this answer
- Boots Ibuprofen and Codeine 200mg/12.8mg film-coated Tablets — 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.