Ibutilide is used in the treatment of arrhythmia.
How Ibutilide Works Ibutilide is an anti-arrhythmic medication that regulates the heartbeat by blocking abnormal electrical signals in the heart.
Common side effects of Ibutilide include nausea, slow heart rate, ventricular extrasystoles, polymorphic ventricular tachycardia, hypotension (low blood pressure), atrioventricular block, tachycardia, and headache.