What are the possible side effects of acetaminophen, butalbital, caffeine, and codeine (Fioricet with Codeine, Phrenilin with Caffeine and Codeine)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using this medication and call your doctor at once if you have a serious side effect such as:
- shallow breathing, slow heart rate;
- fast or pounding heart rate, feeling short of breath;
- confusion, unusual thoughts or behavior, feeling light-headed, fainting;
- muscle twitching;
- easy bruising...
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What are the precautions when taking butalbital, acetaminophen, caffeine and codeine phosphate capsule (Fioricet with Codeine)?
See also Warning section.
Before taking this medication, tell your doctor or pharmacist if you are allergic to acetaminophen, caffeine, codeine, or butalbital; or to other barbiturates (e.g., phenobarbital), xanthine derivatives (e.g., theophylline) or narcotic pain medications (e.g., morphine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: severe breathing problems (e.g., respiratory depression, hypercarbia, bronchopneumonia), infectious diarrhea, a certain enzyme disorder (porphyria),...
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