Heart rate loweringPrescription only
Ivabradine
Tablet
Quick Summary
Ivabradine slows the heart's natural pacemaker without lowering blood pressure much.
Heart failure
Angina
Medical Uses
Heart failure: In some people.
Angina: When beta blockers aren't suitable.
How it's taken
Take twice daily with meals.
Your doctor decides the right dose for you and how long to take it.
Your doctor decides the right dose for you. Follow their instructions and the label.
Common Side Effects
Light flashes
Temporary visual brightness.
Slow heartbeat
Dizziness.
Headache
Sometimes.
Interactions
Some antifungals and antibiotics
Raise levels.
Grapefruit juice
Raises levels.
Critical Warnings
Pregnancy
Not used in pregnancy.
Irregular heartbeat
Report palpitations.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Ivabradine: drug information(opens in a new tab) · MedlinePlus, US National Library of Medicine