Ephedrine / Phenobarbital / Theophylline Side Effects
Applies to ephedrine / phenobarbital / theophylline: oral tablet, oral tablet extended release.
Other side effects
Some side effects of ephedrine / phenobarbital / theophylline may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.
Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Less common side effects
- chest discomfort or pain
- drowsiness
- fast heartbeat
- headache
- muscle cramps
- nausea
- nervousness or restlessness
- trembling
- trouble in sleeping
Serious side effects
Along with its needed effects, ephedrine / phenobarbital / theophylline 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 while taking ephedrine / phenobarbital / theophylline:
Less common or rare side effects
- heartburn and/or vomiting
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
More about ephedrine / phenobarbital / theophylline
Related treatment guides
Further information
Ephedrine/phenobarbital/theophylline side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.
