theophylline
/θiˈɑfəlɪn/
noun
- A drug used to treat breathing problems such as asthma and COPD by relaxing the airways.
- Theophylline can cause side effects like nausea and a fast heartbeat if levels get too high.
- The doctor prescribed theophylline to help control her asthma symptoms.
- Patients taking theophylline need regular blood tests to ensure the dose is safe.
Synonyms