GlaxoSmithKline

Chemical Name: DIGOXIN (di-JOX-in).

Lanoxin is a TABLET but CANNOT be split in half.

Lanoxin is used to treat heart failure and abnormal heart rhythms (arrhythmias). It helps the heart work better and it helps control your heart rate.

SIDE EFFECTS that may occur while taking this medication include dizziness or lightheadedness, drowsiness, vision changes, rash and irregular heartbeat.