Go To The Lung Centre Homepage
Our Clinic
Location Info
What We Do
Clinical Trials
Walk-in Clinic

Breathing Medication Information

Withhold these medications according to the following schedule:

  • 8 hours before test: Airomir, alupent, Berotec, Bricanyl, Bronkaid, Ventolin, Duovent, Maxair
  • 12 hours before test: Atrovent, Combivent.
  • 24 hours before test: Foradil, Oxeze, Serevent.
  • 48 hours before test: Accolate, Advair, antihistamines, Choledyl SA, Singulair, Symbicort, Theodur, Uniphyl.
  • 7 days before test: Spiriva.

Please continue to use: Asmanex, Beclovent, Flovent, Intal, Pulmicort, QVAR, Tilade or any inhaled or oral steroid. Take all other medications as usual (including blood pressure and heart medications).

Pre-screening spirometry (FV loops) are done prior to the methacholine challenge and the same medication withholding times must be used for this portion of the testing.

VCH Logo