Answer
The tablet shell (matrix) of Palexia SR (tapentadol hydrochloride) may appear in stools because it may not be completely digested, which has no clinical relevance because the active substance will already have been absorbed.
Sources for this answer
- Palexia SR 250 mg prolonged-release tabletsGrunenthal Ltd · emc · SmPC §4.2 Posology and method of administration · Version 10Document updated
Sources checked