Paracetamol belongs to a group of medicines called analgesics (painkillers). Analgesics are used to block pain. It is also an antipyretic which means that it helps reduce your body temperature if you have a fever.
Codeine phosphate also belongs to the group of medicines called analgesics and it acts by blocking pain and your emotional response to pain.
It contains the active ingredients paracetamol and codeine phosphate. It is used for the relief of moderate to severe pain when milder painkillers are not effective.