Fentanyl is a depressant drug, which means it slows down the messages travelling between the brain and body. It belongs to a group of drugs known as opioids. It is prescribed for the for chronic, severe pain as a result of cancer, nerve damage, back injury, major trauma or other causes.1 In Australia, fentanyl is a schedule 8 drug.2 It is about 80 to 100 times stronger than morphine.
Codeine is used to provide relief from a number of conditions, including:
- Mild to moderate pain
- Severe pain (when combined with aspirin or paracetamol)
- Dry irritating cough
- Cold and flu (when combined with antihistamines and decongestants)1