Atropine—Bradyarrhythmias. Ipratropium—bronchospasm (inhalation) and rhinorrhea (intranasal). Scopolamine—Nausea and vomiting related to motion sickness and vertigo. Propantheline and glycopyrrolate—Decreasing gastric secretory activity and increasing esophageal sphincter tone. Atropine and scopolamine are also used as ophthalmic mydriatics. Benztropine, biperidin, and trihexyphenidyl are used in the management of Parkinson's disease. Oxybutynin and tolterodine are used as urinary tract spasmodics.