BAC is not for everyone. Your doctor may not prescribe BAC if:
You’re allergic to acetaminophen, butalbital, or caffeine.
You’re taking certain other medications, especially:
blood thinners such as warfarin (Coumadin)
some antidepressants
antihistamines
pain medications
sedatives, sleeping pills, or tranquilizers
certain vitamins
You’re already taking medication that includes acetaminophen. Too much of this drug can damage your liver.
You have or had liver disease, porphyria, or depression.
You’re pregnant, plan to become pregnant, or are nursing.
You drink alcohol, which adds to the drowsiness that BAC can cause.
You’re a child. Experts don’t yet knowTrusted Source the effects of this medication on developing brains.
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary.
When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Fioricet Interaction
Using this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.
Furazolidone
Iproniazid
Isocarboxazid
Linezolid
Methylene Blue
Moclobemide
Nalmefene
Naltrexone
Nialamide
Phenelzine
Procarbazine
Rasagiline
Riociguat
Safinamide
Selegiline
Toloxatone
Tranylcypromine
Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Acenocoumarol
Cannabis
Carbamazepine
Fosphenytoin
Lixisenatide
Ospemifene
Phenytoin
Prednisone
Warfarin
Zidovudine
Other Interactions
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following is usually not recommended, but may be unavoidable in some cases. If used together, your doctor may change the dose or how often you use this medicine, or give you special instructions about the use of food, alcohol, or tobacco.
Ethanol
Tobacco
Using this medicine with any of the following may cause an increased risk of certain side effects but may be unavoidable in some cases. If used together, your doctor may change the dose or how often you use this medicine, or give you special instructions about the use of food, alcohol, or tobacco.
