Generic name: esmolol (ES moe lol)
Brand name: Brevibloc
Dosage forms: intravenous solution (10 mg/mL; 10 mg/mL-iso-osmotic NaCl; 20 mg/mL; 20 mg/mL-iso-osmotic NaCl)
Drug class: Cardioselective beta blockers, Group II antiarrhythmics
What is esmolol?
Esmolol is a beta-blocker that is used to help keep the heart beating normally in people with certain heart rhythm disorders of the atrium (the upper chambers of the heart that allow blood to flow into the heart). Esmolol is used in people with atrial fibrillation or atrial flutter.
Esmolol is also used during surgery to help regulate blood pressure and heart rate.
Esmolol may also be used for purposes not listed in this medication guide.
You should not be treated with esmolol if you have a serious heart condition ("sick sinus syndrome" or "AV block"), very slow heartbeats, heart failure, pulmonary hypertension, or if you are receiving certain IV heart or blood pressure medications.
In an emergency, you may not be able to tell caregivers about your health conditions. Make sure any doctor caring for you afterward knows you received esmolol.
Before taking this medicine
You should not be treated with esmolol if you are allergic to it, or if you have:
a serious heart condition such as "sick sinus syndrome" or "AV block" (second or third degree);
a history of slow heart beats that have caused you to faint;
severe heart failure;
pulmonary hypertension (increased pressure inside the blood vessels of the lungs and heart); or
If possible before you receive esmolol, tell your doctor if you have ever had:
a heart condition called Prinzmetal's angina;
pheochromocytoma (tumor of the adrenal gland);
coronary artery disease (hardened arteries); or
peripheral vascular disease such as Raynaud's syndrome.
It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant.
You should not breast-feed while using this medicine.
In an emergency, you may not be able to tell caregivers if you are pregnant or breast feeding. Make sure any doctor caring for your pregnancy or your baby knows you received this medicine.
How is esmolol given?
Esmolol is given as an infusion into a vein. A healthcare provider will give you this injection.
Your breathing, blood pressure, oxygen levels, and other vital signs will be watched closely while you are receiving esmolol.
What happens if I miss a dose?
Because you will receive esmolol in a clinical setting, you are not likely to miss a dose.
What happens if I overdose?
Since esmolol is given by a healthcare professional in a medical setting, an overdose is unlikely to occur.
What should I avoid while receiving esmolol?
Follow your doctor's instructions about any restrictions on food, beverages, or activity.
Esmolol side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Tell your caregivers right away if you have:
a light-headed feeling, like you might pass out;
very slow heartbeats;
swelling in your hands or feet;
wheezing, chest tightness, feeling short of breath;
weak or shallow breathing;
pain, swelling, irritation, bruising, or skin changes around the IV needle;
cold feeling in your hands and feet;
high potassium--nausea, slow or unusual heart rate, weakness, loss of movement; or
Common side effects may include:
dizziness, drowsiness; or
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What other drugs will affect esmolol?
Tell your doctor about all your other medicines, especially:
blood pressure medication;
insulin or oral diabetes medicine; or
medicines to treat asthma, colds, or allergies.
More about esmolol
- Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Interactions
- Pricing & Coupons
- En Español
- Drug class: cardioselective beta blockers
- Other brands
Related treatment guides
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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