Morgesic XR Morphine Sulphate Phenobarbitone
MajorAdditive CNS and respiratory depression, with possible profound sedation.
These medicines can affect each other in a serious way. Do not start taking them together unless your doctor has said it is OK. If you already take both, do not stop either one on your own: speak to your doctor or pharmacist soon.
Clinical management: Use reduced doses and monitor respiration closely.