Theophylline and Caffeine
Also known as: [Often referred to by brand names (see MedlinePlus Drug Information)]
Formal name: Theophylline; Caffeine
Related tests: Therapeutic Drug Monitoring; Emergency and Overdose Drug Testing
At a Glance
Why Get Tested?
To determine the concentration of theophylline or caffeine in the blood and to maintain a therapeutic level
When to Get Tested?
At regular intervals to monitor the drug’s concentration; when indicated, to detect low or excessive (potentially toxic) concentrations
Sample Required?
A blood sample drawn from a vein in your arm or from pricking an infant’s heel
Test Preparation Needed?
None
