<prompt> Which of the following drug used against glaucoma is contraindicated in patients with urine retentionDisopyramideFlecainideLidocanineTocainide  <response>: Class Ia Antiarrhythmics have anticholinergic property. Disopyramide is a class Ia antiarrhythmic with maximum anticholinergic action hence contraindicated in patients with urine retention glaucoma. 