Recently, her serum theophylline levels had increased to the toxic range (133.2 micromol/L [24 microg/mL]) shortly after the addition of zafirlukast (Accolate, Zeneca Pharmaceuticals, Wilmington, Del) to her regimen.
theophylline levels had increased to the toxic range
theophylline
theophylline levels had increased to the toxic range
Accolate
theophylline levels had increased to the toxic range
zafirlukast