Theophylline is used to stimulate muscles in the cardiovascular, respiratory, and central nervous systems. It is a bronchodilator commonly used to treat asthma and other airway diseases. The side effects of incorrect therphylline dosage can include increased heart rate, central nervous system effects and seizures. 


Applications Available

Randox reagents can be used on a wide range of clinical chemistry analysers including the RX series among others, offering a flexible solution for your laboratory.

Limited Interference

This assay has limited interference from Bilirubin, Haemoglobin, Intralipid® and Triglycerides, ensuring the accurate concentration of Theophylline is recorded.

Wide Measuring Range

The measuring range for the Theophylline assay is 1.49 – 42.0 µg/ml, which will easily detect levels within the therapeutic range of 10-20μg/ml.

Excellent Stability

This reagent offers excellent stability to expiry date when stored at +2 to +8°C, providing a cost effective and flexible approach to therapeutic drug monitoring. 

RX series analysers available

Product monaco copy

RX monaco

  • Fully automated, random access analyser
  • 170 tests per hour
  • Ideal for low-mid volume testing
Product imola copy

RX imola

  • Fully automated, random access analyser
  • 400 photometric tests per hour
  • Ideal for medium throughput laboratories
Product daytona  copy

RX daytona+

  • Fully automated analyser
  • 450 tests per hour 
  • Ideal for mid volume laboratories

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