Common side effects of Butalbital/Acetaminophen/Caffeine include:
- drowsiness,
- dizziness,
- feeling “drunk”,
- headache,
- tiredness,
- nausea,
- vomiting,
- stomach pain, and
- constipation
Serious side effects of Butalbital/Acetaminophen/Caffeine include:
- hives,
- difficulty breathing,
- swelling of the face, lips, tongue, or throat,
- skin redness,
- rash that spreads and causes blistering and peeling,
- slow breathing with long pauses,
- blue colored lips,
- difficult to arouse,
- noisy breathing,
- sighing,
- shallow breathing,
- slow heart rate,
- weak pulse,
- extreme drowsiness,
- lightheadedness,
- chest pain,
- fast or pounding heart rate,
- shortness of breath,
- confusion,
- unusual thoughts or behavior,
- agitation,
- hallucinations,
- fever,
- sweating,
- shivering,
- fast heart rate,
- muscle stiffness,
- twitching,
- loss of coordination,
- nausea,
- vomiting,
- diarrhea,
- loss of appetite,
- dizziness,
- worsening tiredness,
- weakness,
- upper stomach pain,
- itching,
- dark urine,
- clay-colored stools, and
- yellowing of the skin or eyes (jaundice)
Rare side effects of Butalbital/Acetaminophen/Caffeine include:
- none
Seek medical care or call 911 at once if you have the following serious side effects:
- Severe headache, confusion, slurred speech, arm or leg weakness, trouble walking, loss of coordination, feeling unsteady, very stiff muscles, high fever, profuse sweating, or tremors;
- Serious eye symptoms such as sudden vision loss, blurred vision, tunnel vision, eye pain or swelling, or seeing halos around lights;
- Serious heart symptoms include fast, irregular, or pounding heartbeats; fluttering in the chest; shortness of breath; sudden dizziness, lightheartedness, or passing out.
This is not a complete list of side effects and other serious side effects or health problems may occur as a result of the use of this drug. Call your doctor for medical advice about serious side effects or adverse reactions. You may report side effects or health problems to FDA at 1-800-FDA-1088.