Disclosed are inhalable medicaments and methods based on an anticholinergic in combination with a corticosteroid, and a long acting beta agonist, for simultaneous or sequential administration in the prevention or treatment of a respiratory, inflammatory or obstructive airway disease. In addition, disclosed are inhalable medicaments and methods based on combinations of an anticholinergic and a corticosteroid; an anticholinergic and a long acting beta agonist; or a corticosteroid and a long acting beta agonist, for simultaneous or sequential administration in the prevention or treatment of a respiratory, inflammatory or obstructive airway disease. Also disclosed are inhalable medicaments and methods comprising a phosphodiesterase IV inhibitor for administration in the prevention or treatment of a respiratory, inflammatory or obstructive airway disease.