 - Use of any of the following drugs within the time indicated prior to the first dosing visit: Systemic or injected corticosteroids including oral, parenteral, intravenous, rectal 30 days; Nasal or inhaled or ocular corticosteroids 30 days; Nasal or inhaled ipratropium bromide or atropine, inhaled nedocromil, or nasal, inhaled, or ophthalmic sodium cromolyn 14 days; Agents with antihistaminicanticholinergic activity e.g. antidepressants, antipsychotics 14 days; Leukotriene pathway modifiers Accolate, Singulair, Zyflo 10 days; Ocular anti-allergy medications including lodoxamide Alomide, olopatadine Patanol, emedastine difumarate Emadine, levocabastine Livostin 10 days; Non-steroidal anti-inflammatory ophthalmics including ketorolac Acular, flurbiprofen Ocufen, suprofen Profenal, diclofenac Voltaren 10 days; Antihistamines including desloratadine Clarinex, loratadine Claritin 10 days; Antihistamines including fexofenadine HCl Allegra, cetirizine Zyrtec, hydroxyzine, azelastine nasal spray Astelin, clemastine 7 days; Other short-acting antihistamines such as chlorpheniramine or drugs with antihistaminic activity 3 days; OTC oral antihistamines, decongestants includes pseudoephedrine and other decongestants, or antihistaminesdecongestant combinations including all cold, cough, and sleep aids 3 days; OTC ophthalmic decongestant,antihistamine, or decongestantantihistamine combinations 3 days; Other anticholinergic agents 3 days; Immunotherapy injection 1 day. 