July 29, 2016
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No specific information on emergency treatment of overdosage is available. Therefore, on the basis of the pharmacologic actions of Visken ® (pindolol), the following general measures should be employed as appropriate in addition to gastric lavage:

Excessive Bradycardia : administer atropine; if there is no response to vagal blockade, administer isoproterenol cautiously.

Cardiac Failure : digitalize the patient and/or administer diuretic. It has been reported that glucagon may be useful in this situation.

Hypotension : administer vasopressors, e.g., epinephrine or levarterenol, with serial monitoring of blood pressure. (There is evidence that epinephrine may be the drug of choice.)

Bronchospasm : administer a beta 2 stimulating agent such as isoproterenol and/or a theophylline derivative.

A case of an acute overdosage has been reported with an intake of 500 mg of Visken ® (pindolol) by a hypertensive patient. Blood pressure increased and heart rate was 80 beats/min. Recovery was uneventful. In another case, 250 mg of Visken® (pindolol) was taken with 150 mg diazepam and 50 mg nitrazepam, producing coma and hypotension. The patient recovered in 24 hours.


Visken ® (pindolol) is contraindicated in: 1) bronchial asthma; 2) overt cardiac failure; 3) cardiogenic shock; 4) second and third degree heart block; 5) severe bradycardia. (See WARNINGS)

This monograph has been modified to include the generic and brand name in many instances.

Last reviewed on RxList: 2/13/2008


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