If your pain is not being adequately treated, talk to your doctor. Aspirin is in a class of drugs called salicylates. Aspirin works by reducing substances in the body that cause pain and inflammation. It is used to reduce pain, inflammation, and fever. Carisoprodol is a muscle relaxant.
Codeine is a pain reliever.
Codeine is in a class of drugs called narcotic analgesics and it works by changing the way your body feels pain. Codeine is habit forming and should only be used under close supervision if you have an alcohol or drug addiction. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you. Take each dose with a full glass of water. Take the missed dose as soon as you remember.