Converse of object

• take: If you take theophylline for asthma, remind your doctor as he/she may want to monitor the level of theophylline in your blood.

• find: Despite this, the levels of caffeine, theobromine and theophylline found in this survey are generally consistent with previous results.

• receive: Therefore, where monitoring of plasma levels is not possible, the use of ciprofloxacin should be avoided in patients receiving theophylline.

Adjective modifier

• e.g.: This is of potential clinical importance for products with a narrow therapeutic window, e.g. theophylline, clozapine and ropinirole.

• oral: Three trials tested intravenous aminophylline and one oral theophylline, all added to standard treatments.

Modifies a noun

• level: Elderly patients will tend therefore to have higher serum theophylline levels than younger adults at a given dose.

• tablet: Or your doctor may suggest you take theophylline tablets.

• clearance: Thus in patients with severe liver disease, theophylline clearance may be decreased.

• concentration: When severe poisoning is suspected, the plasma theophylline concentration should be measured regularly, until concentrations are falling.

Noun used with modifier

• plasma: Where this is not possible, patients should have their theophylline dose halved and plasma theophylline should be monitored closely.

• serum: Elderly patients will tend therefore to have higher serum theophylline levels than younger adults at a given dose.