Answer
Long-term tapentadol phosphate treatment may cause hyperalgesia, with increased pain that tends to be more diffuse and less defined than pre-existing pain, and symptoms may resolve with opioid dose reduction.
Sources for this answer
- Tapimio 50 mg prolonged-release capsulesNeuraxpharm UK Ltd · emc · SmPC §4.4 Special warnings and precautions for use · Version 1Document updated
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