16th May 2025

Mr Stevenson is a 35-year-old gentleman who was admitted with an exacerbation of his asthma.

Mr Stevenson is a 35-year-old gentleman who was admitted with an exacerbation of his asthma. He is currently managed on Fostair, montelukast, and salbutamol. The decision was made to start theophylline

Theophylline is a narrow therapeutic index medication which requires drug level monitoring to guide therapy and reduce risk of toxicity. What levels are usually aimed for in most individuals?

Select the SINGLE most appropriate option from the list below. Select ONE option only.