Because aspirin, when given to children and teenagers with chickenpox or flu, can cause a dangerous neurological disease called Reye's syndrome, do not use Fiorinal with Codeine under these circumstances. Codeine may cause unusually slow or troubled breathing and may increase the pressure caused by fluid surrounding the brain and spinal cord in people with head injury. Codeine also affects brain and spinal cord function and makes it hard for the doctor to see how people with head injuries are doing. Taking more of this drug than your doctor has prescribed may cause dependence and symptoms of overdose. Aspirin can cause internal bleeding in people with ulcers or bleeding disorders.
Codeine can hide signs of severe abdominal problems.
If you have ever developed dependence on a drug, consult with your doctor before taking Fiorinal with Codeine. If you are being treated for a kidney, liver, or blood clotting disorder, consult with your doctor before taking Fiorinal with Codeine. If you are older or in a weakened condition, be very careful taking Fiorinal with Codeine. Possible food and drug interactions when taking this medication Return to top Fiorinal with Codeine reduces the activity of the central nervous system and intensifies the effects of alcohol. Use of alcohol with this drug may also cause overdose symptoms.