noun
definition
A bitter crystalline compound present in small quantities in tea leaves, isomeric with theobromine; used as a drug in therapy for respiratory diseases.
Examples of theophylline in a Sentence
They can be detected by standard immunohistochemical staining using an antiserum raised against theophylline.
There is additional information about caffeine which is also generally true for its relatives theobromine and theophylline.
The other methylxanthines (the major two being theobromine and theophylline) have similar but slightly differing effects and strengths from caffeine.
If you take theophylline for asthma, remind your doctor as he/she may want to monitor the level of theophylline in your blood.
Therefore, where monitoring of plasma levels is not possible, the use of ciprofloxacin should be avoided in patients receiving theophylline.
This is of potential clinical importance for products with a narrow therapeutic window, e.g. theophylline, clozapine and ropinirole.
Three trials tested intravenous aminophylline and one oral theophylline, all added to standard treatments.
Where this is not possible, patients should have their theophylline dose halved and plasma theophylline should be monitored closely.
Elderly patients will tend therefore to have higher serum theophylline levels than younger adults at a given dose.
Theophylline, nitrates, and calcium-channel blockers may reduce lower oesophageal sphincter pressure.
Despite this, the levels of caffeine, theobromine and theophylline found in this survey are generally consistent with previous results.
Or your doctor may suggest you take theophylline tablets.
Thus in patients with severe liver disease, theophylline clearance may be decreased.
When severe poisoning is suspected, the plasma theophylline concentration should be measured regularly, until concentrations are falling.
Theophylline is the chief methylxanthine drug.
If a patient cannot use an inhaler to maintain long-term control, sustained-release theophylline is a good alternative.