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Other Medicines
When you are taking a butalbital and acetaminophen combination, it is especially important that your health care professional know if you are taking any of the following:
- Anticoagulants (b
lood thinners), or
- Carbamazepine (e.g., Tegretol) or
- Contraceptives, oral (birth control pills) containing estrogen, or
- Corticosteroids (cortisone-like medicines) or
- Cortic
otropin (e.g., ACTH)ˇXButalbital may make these medicines less effective
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Symptoms of overdose may include:
Anxiety, confusion, excitement, irritability, nervousness, restlessness, or trouble in sleeping (severe, especially with products containing caffeine) ; convulsions (seizures) (for products containin
g caffeine); diarrhea, especially if occurring together with increased sweating, loss of appetite, and stomach cramps or pain; dizziness, lightheadedness, drowsiness, or weakness, (severe) ; freque
nt urination (for products containing caffeine) ; hallucinations (seeing, hearing, or feeling things that are not there); increased sensitivity to touch or pain (for products containing caffeine);
muscle trembling or twitching (for products containing caffeine); nausea or vomiting, sometimes with blood;
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What is this Drug
Some butalbital and acetaminophen combinations also contain caffeine (KAF-een) . Caffeine may help to relieve headaches. However, caffeine can also cause physical dependence when it is used for a long
time. This may lead to withdrawal (rebound) headaches when you stop taking it.
Butalbital and acetaminophen combination may also be used for other kinds of headaches or other kinds of pain a
s determined by your doctor.
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Precautions while Using this Medicine
Before you have any medical tests, tell the person in charge that you are taking this medicine. Caffeine (present in some butalbital and acetaminophen combinations) interferes with the results of cert
ain tests that use dipyridamole (e.g., Persantine) to help show how well blood is flowing to your heart. Caffeine should not be taken for 8 to 12 hours before the test. The results of other tests may
also be affected by butalbital and acetaminophen combinations.
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Before Using This Medicine
Breast-feedingˇX
- For butalbital: Barbiturates such as butalbital pass into the breast milk and may cause drowsiness, unusually slow heartbeat, shortness of breath, or troubled breathing in
nursing babies.
- For acetaminophen: Although acetaminophen has not been shown to cause problems in nursing babies, it passes into the breast milk in small amounts.
- For caffeine: Caffeine
(present in some butalbital and acetaminophen combinations) passes into the breast milk in small amounts. Studies have shown that nursing babies may appear jittery and have trouble in sleeping when th
eir mothers drink large amounts of caffeine-containing beverages.
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Side Effects
If you experience any of the following serious side effects, stop taking acetaminophen / butalbital / caffeine - Fioricet and seek emergency medical attention: an allergic reaction (difficulty breathi
ng; closing of your throat; swelling of your lips, tongue, or face; or hives); slow, weak breathing; liver damage (yellowing of the skin or eyes, nausea, abdominal pain or discomfort, unusual bleedin
g or bruising, severe fatigue); blood problems (easy or unusual bleeding or bruising); or low blood sugar (fatigue, increased hunger or thirst,
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