Answer
Rifampicin in Rimstar may reduce morphine plasma concentrations, so morphine’s analgesic effect should be monitored and its dose adjusted during and after rifampicin treatment.
Sources for this answer
- Rimstar Film-coated Tablet / Voractiv Film-coated TabletSandoz Limited · emc · SmPC §4.5 Interaction with other medicinal products · Version 11Document updated
Sources checked