- History of sensitivity to any of the study medications, including moxifloxacin, or components thereof or a history of drug or other allergy that, in the opinion of the investigator or GSK Medical Monitor, contraindicates their participation. In particular, the subject has a known allergy or hypersensitivity to quinolones, ipratropium bromide, tiotropium, atropine and any of its derivatives. Or any adverse reaction including immediate or delayed hypersensitivity to any β2 agonist or sympathomimetic drug,