Butalbital is a barbiturate with an intermediate duration of action. Butalbital is often combined with other medications, such as paracetamol (acetaminophen) or aspirin, for the treatment of pain and headache. Find patient medical information for Butalbital-Acetaminophen-Caffeine-Codeine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. If butalbital, acetaminophen, caffeine, and codeine is taken by someone else or by accident, get medical help right away. Using butalbital, acetaminophen, caffeine, and codeine for a long time during pregnancy may lead to withdrawal in the newborn baby. Butalbital/acetaminophen/caffeine should not be used with MAOI (monoamine oxidase inhibitors) like phenelzine (Nardil) and selegiline (Emsam) because they can significantly increase central nervous system effects of butalbital and increased blood levels of caffeine. Butalbital, acetaminophen, caffeine, and codeine combination is used to relieve symptoms of tension (or muscle contraction) headaches. Extended and repeated use of this product is not recommended. Extended and repeated use of this product is not recommended. Other drugs may affect acetaminophen, butalbital, caffeine, and codeine, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed here. Do not take acetaminophen, butalbital, caffeine, and codeine with any other narcotic pain medications, sedatives, tranquilizers, sleeping pills, muscle relaxers, or other medicines that can make you sleepy or slow your breathing. Dangerous side effects may result. Apap / Butalbital / caféine / codéine Posologie Suivez toutes les directions sur votre étiquette de prescription. Ne jamais prendre ce médicament en plus grandes quantités, ou pour plus longtemps que prévu. Following an acute overdosage of Fioricet with Codeine, toxicity may result from the barbiturate, the codeine, or the acetaminophen. Toxicity due to the caffeine is less likely, due to the relatively small amounts in this formulation. BUTALBITAL, ACETAMINOPHEN, CAFFEINE, AND CODEINE PHOSPHATE CAPSULES Rx only DESCRIPTION Butalbital, acetaminophen, caffeine, and codeine phosphate is supplied in capsule form for oral.