It is used to treat heart failure, usually along with other medications. It is also used to treat certain types of irregular heartbeat (such as chronic atrial fibrillation).

Nausea, vomiting, headache, dizziness, loss of appetite, and diarrhea may occur. Tell your doctor or pharmacist promptly if any of these effects persist or worsen.

Hypersensitivity to the drug and patients with Uncontrolled ventricular arrhythmias