Theophylline, Ephedrine, and Phenobarbital (Systemic)
Side Effects of This MedicineAlong with its needed effects, a medicine may cause some unwanted effects.
Although not all of these side effects may occur, if they do occur they may
need medical attention.
Check with your doctor as soon as possible if any of the following side
effects occur:
Symptoms of toxicity
Abdominal pain, continuing or severe; confusion or change in behavior; convulsions (seizures); dark or bloody vomit; diarrhea; dizziness or lightheadedness; fast and/or irregular heartbeat, continuing; nervousness or restlessness, continuing; trembling,
continuing
Other side effects may occur that usually do not need medical
attention. These side effects may go away during treatment as your body adjusts
to the medicine. However, check with your health care professional if any
of the following side effects continue or are bothersome:
Other side effects not listed above may also occur in
some patients. If you notice any other effects, check with your doctor.
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