Why should Butalbital, Acetaminophen, Caffeine not be prescribed?
If you are sensitive to or have ever had an allergic reaction to barbiturates, acetaminophen, or caffeine, you should not take Butalbital, Acetaminophen, Caffeine. Make sure that your doctor is aware of any drug reactions that you have experienced. Unless you are directed to do so by your doctor, do not take Butalbital, Acetaminophen, Caffeine if you have porphyria (an inherited metabolic disorder affecting the liver or bone marrow).