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Erythromycin

Generic Name: Erythromycin

Brand Names: E-Mycin, Ery-Tab, EES

Erythromycin is a macrolide antibiotic used for respiratory infections and as an alternative to penicillin.

AntibioticMacrolide

What It's Used For

Erythromycin is prescribed for:

  • Respiratory infections
  • Pertussis (whooping cough)
  • Skin infections
  • Chlamydia in pregnancy
  • Gastroparesis (prokinetic use)
  • Penicillin-allergic patients

Side Effects

Common side effects:

  • GI upset (very common)
  • Nausea and vomiting
  • Abdominal cramping
  • Diarrhea

Serious side effects:

  • QT prolongation
  • Liver toxicity
  • Hearing loss (high doses)

Additional Information

What is Erythromycin?

Erythromycin is the original macrolide antibiotic, used for over 60 years.

Non-Antibiotic Uses

Used as a prokinetic agent for:

  • Diabetic gastroparesis
  • Post-operative ileus
  • ICU feeding intolerance

GI Side Effects

GI upset is very common due to motilin receptor activation. Taking with food may help.

For details, see MedlinePlus.

Medical Disclaimer: This information is for educational purposes only and should not be considered medical advice. Always consult with your healthcare provider before starting, stopping, or changing any medication. Your doctor can provide personalized recommendations based on your specific health condition and medical history.

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