Digoxin

Generic name: digoxin (oral/injection) [ di-JOX-in ]
Brand names: Digitek, Digox, Lanoxin, Lanoxicaps, Cardoxin
Drug classes:Group V antiarrhythmics, Inotropic agents

Medically reviewed by Philip Thornton, DipPharm. Last updated on Dec 6, 2021.

What is digoxin?

Digoxin is derived from the leaves of a digitalis plant. Digoxin helps make the heart beat stronger and with a more regular rhythm.

Digoxin is used to treat heart failure.

Digoxin is also used to treat atrial fibrillation, a heart rhythm disorder of the atria (the upper chambers of the heart that allow blood to flow into the heart).

Warnings

You should not use digoxin if you have ventricular fibrillation (a heart rhythm disorder of the ventricles, or lower chambers of the heart that allow blood to flow out of the heart).

Before taking this medicine

You should not use digoxin if you are allergic to it, or if you have ventricular fibrillation (a heart rhythm disorder of the ventricles, or lower chambers of the heart that allow blood to flow out of the heart).

To make sure digoxin is safe for you, tell your doctor if you have ever had:

• a serious heart condition such as "sick sinus syndrome" or "AV block" (unless you have a pacemaker);

• a heart attack;

• slow heartbeats that have caused you to faint;

• Wolff-Parkinson-White Syndrome (sudden fast heartbeats);

• kidney disease;

• an electrolyte imbalance (such as low levels of calcium, potassium, or magnesium in your blood);

• a thyroid disorder;...