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Beta Blockers

  • Español PDF

Atenolol, Carvedilol, Metoprolol, Propranolol

What are Beta Blockers?

Beta Blockers are medicines used to treat heart rhythm problems, high blood pressure, heart failure, and other heart conditions. Beta Blockers limit how fast the heart can pump. Beta Blockers also prevent the blood vessels from squeezing too tight. They all come in tablet, capsule, or liquid forms.

What are the types of Beta Blockers?

Four common Beta Blockers are:

  • Atenolol (Brand name: Tenormin)
  • Carvedilol (Brand name: Coreg, Coreg CR)
  • Metoprolol (Brand names: Kapspargo Sprinkle, Toprol XL, Lopressor)
  • Propranolol (Brand names: Hemangeol, Inderal LA, Inderal XL, InnoPran XL)

How do I give Beta Blockers to my child?

  • Give it to your child as prescribed by your doctor.
  • Tablets and capsules should generally be taken whole by mouth. Liquid form can be given by mouth or by feeding tube.
  • Give it to your child at the same time every day. The time between doses is important because taking it too close together may lower your child’s blood pressure and heart rate too much.
  • The medicine works best when your child always has an even amount in their system. This happens when the doses are spaced apart in equal amounts of time.
  • Do not stop giving the medicine suddenly. This can cause unsafe changes in your child’s heart rate and blood pressure.

What if we miss or forget a dose?

If your child takes medicine 3 or 4 times a day:

  • Skip the dose you forgot and resume the regular schedule.
  • Do not try to catch up or give a double dose. 

If your child takes medicine 2 times a day:

If you missed the morning dose:

  • If you remember the morning dose before noon, give the dose when you remember and stay on the regular schedule.
  • If you remember the morning dose after noon, skip the dose you forgot and resume the regular schedule.

If you missed the evening dose:

  • If you remember the dose before midnight, give the dose when you remember and stay on the regular schedule.
  • If you remember the dose after midnight, skip the dose you forgot and resume the regular schedule.
  • Call your child’s healthcare provider or the Heart Center if your child misses more than 2 doses. 

What if I run out of medicine?

Try to plan ahead so you never run out of medication. Call your pharmacy when you are getting low on medicine. Your pharmacy will contact us about refills. Your child’s clinic visit is the best time to make sure your child is getting the right dose and has enough refills of the medicine.

When do I call the doctor?

Call us if your child has any of these symptoms:

  • Blood pressure and/or heart rate are too low
  • Feeling tired or weak
  • Sleeping more than usual
  • Low mood
  • Dizziness
  • Trouble thinking clearly
  • Headaches
  • Diarrhea
  • Infants sleeping more than usual, eating poorly

What else do I need to know?

  • Bring a list of your child’s medicines to each clinic appointment.
  • Keep all medicines out of the reach of children.

Approved by Seattle Children’s Pharmacy and Therapeutics Committee.

To Learn More

  • Heart Center
    206-987-2015
  • After hours and on weekends (hospital operator)
    206-987-2000
  • Ask your child’s healthcare provider
  • seattlechildrens.org/patient-education

Free Interpreter Services

  • In the hospital, ask your nurse.
  • From outside the hospital, call the toll-free Family Interpreting Line, 1-866-583-1527. Tell the interpreter the name or extension you need.
Seattle Children's Hospital

Seattle Children’s offers free interpreter services for patients, family members and legal representatives who are deaf or hard of hearing or speak a language other than English. Seattle Children’s will make this information available in alternate formats upon request. Call the Family Resource Center at 206-987-2201. This handout has been reviewed by clinical staff at Seattle Children’s. However, your needs are unique. Before you act or rely upon this information, please talk with your healthcare provider.

© 2026 Seattle Children’s, Seattle, Washington. All rights reserved.

04/01/2025
PE1331
Patient and Family Education | Heart Center

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