erythromycin, Ery-Tab, PCE

  • Pharmacy Author:
    Omudhome Ogbru, PharmD

    Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

  • Medical and Pharmacy Editor: Jay W. Marks, MD
    Jay W. Marks, MD

    Jay W. Marks, MD

    Jay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles.

GENERIC NAME: erythromycin

BRAND NAMES: Ery-Tab, PCE

E-Mycin, Eryc, Ilosone, E.E.S, Eryped, and Pediazole

PRESCRIPTION: Yes

GENERIC AVAILABLE: Yes

PRESCRIBED FOR:Erythromycin is used to treat the following diseases and conditions:

Erythromycin also is used in patients who are allergic to penicillin for the prevention of recurrent rheumatic fever and infections of the hearts' valves (endocarditis)) in patients with valvular abnormalities of the heart before they undergo dental treatments.

The non-FDA approved uses for erythromycin include:

WARNING: Abnormal liver tests and liver damage also may occur with erythromycin. Like other antibiotics erythromycin can alter the normal bacteria in the colon and encourage overgrowth of some bacteria such as Clostridium difficile which causes inflammation of the colon (pseudomembranous colitis). Patients who develop signs of pseudomembranous colitis after starting erythromycin (diarrhea, fever, abdominal pain, and possibly shock) should contact their physician immediately.

SIDE EFFECTS: The most frequent side effects of erythromycin are:

  • nausea,
  • vomiting,
  • loss of appetite,
  • diarrhea, and
  • abdominal pain.

These gastrointestinal side effects are usually dose-related, i.e., more pronounced with higher doses.

Allergic reactions such as:

  • hives,
  • rash, or
  • anaphylaxis (a severe allergic reaction which can lead to shock and death) have been reported rarely.
Medically Reviewed by a Doctor on 10/25/2016
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