Ivabradine

Overview

It's used when the heart rate stays high despite a beta blocker.

What it's used for

• Heart failure with a fast resting heart rate
• Heart failure from cardiomyopathy in children

How to take it

• Take it twice a day with meals.

Your dose depends on your health and other medicines. Always follow your prescription label, and ask your pharmacist if anything is unclear.

Side effects

Common side effects

• Slow heartbeat
• Flashes of light in vision (usually fades)
• High blood pressure

Warnings

• It can harm an unborn baby; use effective birth control.

Other medicines, foods, and alcohol

• Strong CYP3A4 blockers (ketoconazole, clarithromycin) must not be taken with it.
• Diltiazem and verapamil should be avoided.
• Avoid grapefruit juice.

Tell your provider and pharmacist about every medicine, vitamin, and supplement you take.

Pregnancy and breastfeeding

Not used in pregnancy.

Missed doses, overdose, and storage

If you miss a dose

Take it as soon as you remember, unless it's almost time for your next dose. Then skip the missed dose. Don't take two doses at once.

If someone takes too much

Call Poison Control at 1-800-222-1222 or get help online at poison.org. Call 911 if the person collapses, has a seizure, has trouble breathing, or can't be woken.

Storing it

Store at room temperature, away from heat and moisture (not in the bathroom), and out of reach of children and pets.

Conditions it's used for

• Heart failure