MMedications Methacholine (By breathing) Brand names include Provocholine Drug classes About this Diagnostic Agent, Bronchial Methacholine (By breathing) was last modified: June 24th, 2016 by explainingmedicine Related lungs 0 comment 0 Facebook Twitter Google + Pinterest explainingmedicine previous post Mesoridazine (By mouth) next post Mucinex (see Guaifenesin (By mouth)) Related Articles Ofloxacin (By mouth) June 21, 2016 Ismelin (see Guanethidine (By mouth)) June 20, 2016 Mollifene (see Carbamide Peroxide (Into the ear)) June 20, 2016 Bethkis (see Tobramycin) June 17, 2016 Vivitrol (see Naltrexone (By injection)) June 16, 2016 Swan Hydrogen Peroxide (see Hydrogen Peroxide (On the skin)) June 16, 2016 Orenitram (see Treprostinil) June 21, 2016 Methylene Blue (Into a vein) June 20, 2016 Zocor (see Simvastatin (By mouth)) June 16, 2016 Fareston (see Toremifene Citrate (By mouth)) June 20, 2016