Glaucoma, stenosing peptic ulcer, pyloroduodenal obstruction, prostatic hypertrophy or bladder neck obstruction, CV disease, increased IOP, DM; CNS stimulation, excitability, convulsions &/or CV collapse w/ accompanying hypotension. Discontinue use approx 48 hr prior to skin testing. Avoid abrupt w/drawal. Concomitant use w/ digitalis. Severe hepatic impairment. Pregnancy & lactation. Childn <12 yr. Elderly ≥ 60 yr.