Epinephrine/Cardioselective Beta-Blockers Interactions

This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment.

Medical warning:

Moderate. These medicines may cause some risk when taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.

How the interaction occurs:

Beta-blockers may block the effects of epinephrine.

What might happen:

Taking beta-blockers with epinephrine may cause your blood pressure to be increased. Your heart rate may slow down.The effect of epinephrine on severe allergic reactions may be decreased if you are also taking beta-blockers.

What you should do about this interaction:

Avoid taking these medications together. If they are taken together, your blood pressure and heart rate should be closely monitored. If you carry epinephrine as a precaution against allergic reactions, discuss the fact that you are also taking a beta-blocker with your doctor and what to do in the event of an emergency situation.Your healthcare professionals (e.g. doctor or pharmacist) may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.

  • 1.Schwalm JD, Hamstra J, Mulji A, Velianou JL. Cardiogenic shock following nasal septoplasty: a case report and review of the literature. Can J Anaesth 2008 Jun;55(6):376-9.
  • 2.Muralidhar K, Bhanumurthy S. Attenuation of the cardiovascular responses to subcutaneous adrenaline in neurosurgical patients. Br J Anaesth 1992 Mar;68(3):264-7.
  • 3.van Herwaarden CL, Fennis JF, Binkhorst RA, van't Laar A. Haemodynamic effects of adrenaline during treatment of hypertensive patients with propranolol and metoprolol. Eur J Clin Pharmacol 1977 Dec 28; 12(6):397-402.
  • 4.Kim Y. Interaction between beta blockers and epinephrine on hemodynamics of spontaneously hypertensive rats. Res Commun Chem Pathol Pharmacol 1993 Apr;80(1):3-19.

Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.

CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.