Cas No. [58-55-9]
What side effects can this medication cause?
Theophylline may cause side effects. Tell your
doctor if any of these symptoms are severe or do not go away.
- upset stomach
- stomach pain
If you experience any of the following symptoms,
call your doctor immediately:
- increased or rapid heart rate
- irregular heartbeat
- skin rash
If you experience a serious side effect, you or
your doctor may send a report to the Food and Drug Administration's
(FDA) MedWatch Adverse Event Reporting program online