Key Patient Counseling Points:

• Use sunscreen, avoid tanning beds.
• Report signs/symptoms of cardiac arrhythmias, pulmonary toxicity, or liver toxicity.
• Take consistently with regard to meals but avoid taking with grapefruit or grapefruit juice.
• Avoid sudden discontinuation.

Class:

Antiarrhythmic

Mechanism of Action:

Type III antiarrhythmic that prolongs the effective refractory period of atrial and ventricular tissue by blocking potassium conductance

• Key Patient Counseling Points