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Clarithromycin-induced ventricular tachycardia

S Kundu1, S R Williams, S P Nordt

  • 1Department of Family Medicine, University of California at San Diego, USA.

Annals of Emergency Medicine
|November 5, 1997
PubMed
Summary
This summary is machine-generated.

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Clarithromycin, a macrolide antibiotic, may cause ventricular dysrhythmias. This case report details cardiac events in a patient after clarithromycin use, highlighting potential risks of this antibiotic.

Area of Science:

  • Pharmacology
  • Cardiology
  • Infectious Diseases

Background:

  • Clarithromycin is a widely used macrolide antibiotic known for its twice-daily dosing regimen.
  • While erythromycin's side-effect profile is documented, including cardiotoxicity, data on newer macrolides like clarithromycin is still emerging.
  • Cardiotoxicity has been associated with erythromycin but not previously reported with newer macrolides.

Observation:

  • A patient developed ventricular dysrhythmias after receiving six therapeutic doses of clarithromycin.
  • The cardiac adverse events were observed during clarithromycin treatment.

Findings:

  • The reported case suggests a potential link between clarithromycin administration and the occurrence of ventricular dysrhythmias.
  • These dysrhythmias resolved upon cessation of clarithromycin therapy.

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Implications:

  • This case highlights the importance of monitoring for cardiac side effects, even with newer antibiotics.
  • Further investigation into the cardiotoxic potential of clarithromycin may be warranted.
  • Clinicians should be aware of potential cardiac risks associated with clarithromycin use.