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Category Biochemistry
Test background

Theophylline is primarily a bronchial dilator, indicated in the treatment of reversible airways obstruction, such as COPD and severe acute asthma.

Clinical Indications

Therapeutic drug monitoring Assessment of toxicity: symptoms include tachycardia, palpitation, nausea and other gastrointestinal disturbances, headache, CNS stimulation, insomnia, arrhythmias and convulsions, especially if given rapidly by intravenous injection

Reference range

10-20 mg/L
Paediatric Range: 0 – 6 Months of 6-11 mg/L

Sample & container required SST (gold top)
Sample volume 0.5 mL
Turnaround time 1 day