Phenobarbital is an anti-epiletic and sedative-hypnotic drug which slows the activity of the brain and nervous system. The side effects associated with an incorrect phenobarbital prescription can include drowsiness, depression, headaches and dizziness.


Wide Measuring Range

The Randox Phenobarbital assay has a wide measuring range of 2.55-87.7 µg/ml, capable of detecting levels beyond the therapeutic range of 15-40 µg/ml.

Limited Interference

This Phenobarbital assay has limited interference from Bilirubin, Haemoglobin, Intralipid® and Triglycerides ensuring accurate results for your laboratory.

Applications Available

Our Therapeutic Drug Monitoring reagents are available for a wide variety of clinical chemistry analysers including the RX series, offering a flexible solution for laboratories.

Exceptional Correlation

The Phenobarbital assay showed a correlation of r=0.98 against another commercially available method, providing highly accurate results.

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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