What are the possible side effects of Asa/Butalbital/Caffeine?
If you experience any of the following serious side effects, stop taking aspirin/butalbital/caffeine and seek emergency medical attention: an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives) slow, weak breathing severe weakness or dizziness; or black, bloody, or tarry stools or blood in your urine or vomit Other, less serious side effects may be more likely to occur. Continue to take aspirin/butalbital/caffeine and talk to your doctor if you experience dry mouth, nausea, vomiting, or decreased appetite dizziness, tiredness, or lightheadedness; or ringing in your ears Butalbital may be habit forming. Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
