Codeine is a prescribed medication an opioid that is combined with other medications, commonly known as a painkiller. It is also called Codeine phosphate, which is used to relieve mild to moderate chronic pain. It is a highly improving painkiller for adults and children. It is produced by doctors in different suitable dosages Codeine 15 mg, Codeine 30mg, Codeine 60 mg, and Codeine 300/30 mg. If you want with or without a doctor's script, one condition you have such severe pain, injuries, surgical operation, muscle pain, back pain, fractures, spinal problem, etc.