Immediate hypersensitivity reactions. Patients predisposed to glaucoma; insufficiently controlled DM, recent MI, severe organic heart or vascular disorders, hyperthyroidism, pheochromocytoma, risk of narrow-angle glaucoma, prostatic hypertrophy or bladder-neck obstruction; hypokalemia; cystic fibrosis; acute, rapidly worsening dyspnea. Avoid contact w/ eyes. Not to be mixed w/ other drugs in same nebulizer. Pregnancy & lactation.