Department of Respiratory Care
Methacholine Challenge
Drug Avoidance List
These are general guidelines only. Each case may need individual attention.
Beta 2 Adrenergic Aerosols or MDIs
Metaproterenol
Terbutaline
Isoproterenol
Pirbuterol
Albuterol
Bitolterol
Levalbuterol HCL
Salmeterol, Salmeterol/Formoterol
Fluticasone Propionate & Salmetert
Arformoterol
Alupent
Brethine
Isuprel
Maxair, Axair Auto-haler
Proventil, Ventolin, Pro-air
Tornalate
Xopenex
Serevent, Foradil
Advair Diskus
Brovana
24 Hours
24 Hours
24 Hours
24 Hours
24 Hours
24 Hours
24 Hours
24 hours
48 hours
7 days
48 hours
Anticholinergic Agents
Impratropium
Impratropium & Albuterol
Atropine for Inhalation
Dicyclomine
Clindinium
Glycopyrrolate
Tiotropium
Atrovent, Atrovent Nasal Spray
Combivent
Atropine for inhalation
Bonnatal, Levsin
Librax
Robinul
Spiriva, Tiova, Duova
24 hours
24 hours
24 hours
24 hours
24 hours
24 hours
24 hours
24 hours
Mast Cell Stabilizer
Cromolyn Sodium
Nedocromil
INTAI, Nasal Crom
Tilde
48 hours
48 hours
48 hours
Alupent tablets & syrup
Brethine tablets
Proventil / Ventolin Syrup
24 hours
24 hours
24 hours
24 hours
Marax
Theo – 24
Uni Dur
48 hours
48 hours
48 hours
48 hours
Oral Beta 2 Adrenergic Agents
Metaproterenol
Terbutaline
Albuterol
Theophylline
Lufyllin
Slo-bid
Theo-Dur
Uniphyl
H2 Receptor Antagonist
Nizatidine
Famotidine
Cimetidine
Ranitidine
Prevacid
Axid, Axid AR
Pepcid, Pepcid AC
Tagamet, Tagamet HB
Zantac, Zantac 75, Trilec
Antihistamines
Fexofenadine
Allegra, Allegra D
Hydroxyzine
Atarax Vistaril
Diphenhydramine
Benadryl
Chlorpheniramine
Loratadine
Triaminic, Rynatan, Ornade, Chlor-Trimeton,
Extendryl, Chloro tab
Claritin, Claritin D, Clarinex
Brompheniramine
Dimetapp, Bromfed
Astemizole
Hismanal
Cyproheptadine
Periactin
Promethazine
Phenergan
Clemastine
Tavist I, Tavist D
Dexbrompheniramine
Drixoral
Pheniramine
Poly-Histine D
Carbinoxamine
Rondec
Acrivastine
Semprex D
Azatadine
Trinalin
Azelastine
Astelin
Cetirizine
Zyrtec
48 hours
48 hours
48 hours
48 hours
48 hours
72-96
hours
72-96
hours
72-96
hours
72-96
hours
72-96
hours
72-96
hours
72-96
hours
72-96
hours
72-96
hours
72-96
hours
72-96
hours
72-96
hours
72-96
hours
72-96
hours
72-96
hours
72-96
hours
72-96
hours
72-96
hours
*** There are numerous products for coughs and colds, sold over the counter, that contain
antihistamines. Please consult a physician or pharmacist for details.
7 days
Corticosteroids
Oral Corticosteroids
Triamcinolone
Betamethasone
Hydrocortisone
Prednisone
Dexamethasone
Methylprednisolone
Aristocort
Celestone
Cofef
Deltasone
Decadron
Prelone, Pediapred
Inhaled Corticosteroids
Triamcinolone
Budesonide
Beclomethasone
Azmacort, Nasacort AQ
Pulmicort, Rhinocourt
Vanceril, Beclovent, QVAR, Beconase
AQ, Vancenuse AQ
Flunisolide
AeroBid, AeroBid M, Nasalide, Nasanel
Fluticasone
Flovent, Flonase
Fluticasone Propionate & Salmeterol Advair, Seritide
Budesonide / Formoterol
Symbicort
asal Corticosteroids
Mometasone Nasonex, Asmanex
7 days
7 days
Leukotriene Inhibitors
Zafirlukast
Accolate
Zileuton
Zyflo
Montelukast Singulair
48 hours
48 hours
48 hours
48 hours
Miscellaneous items to avoid the date of the test
Coffee
Tea
Colas
Chocolate
Smoking
7 days
7 days
7 days
7 days
7 days
7 days
7 days
7 days
7 days
7 days
7 days
7 days
7 days