Erythromycin

One of the oldest macrolides. Also used off-label as a prokinetic agent to speed up stomach emptying.

Dosage by Body Weight

Standard antibiotic dose: 30-50 mg/kg/day divided into 4 doses.

  1. Body Weight
    5-10 kg
    Dose
    62.5 mg to 125 mg
    Frequency
    Four times daily
    Tracking Notes
    Commonly causes gastrointestinal side effects (cramps).
  2. Body Weight
    11-20 kg
    Dose
    125 mg to 250 mg
    Frequency
    Four times daily
    Tracking Notes
    Finish the entire prescribed course.

Formulation

TabletSuspensionOphthalmic Ointment

Purpose

Macrolide antibiotic used for respiratory infections, skin infections, and pertussis (whooping cough).

Generic Name

Erythromycin Ethylsuccinate

Branded Drug Names

Erythromycin is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:

Scheduled Drug

Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.

Alternatives

Safety Advice

Alcohol

CAUTION

Erythromycin: Alcohol may worsen infection-related dehydration, dizziness, or stomach upset. Avoid or limit alcohol during antibiotic treatment.

Pregnancy

SAFE IF PRESCRIBED

Erythromycin: Use during pregnancy only when prescribed for a bacterial infection; the prescriber will choose the safest suitable antibiotic.

Breast Feeding

SAFE IF PRESCRIBED

Erythromycin: Many antibiotics are compatible with breastfeeding when prescribed, but monitor the infant for diarrhea, rash, or thrush.

Driving

SAFE

Erythromycin: Usually does not affect driving, but dizziness, weakness, or illness symptoms can occur. Avoid driving if affected.

Liver

CAUTION

Erythromycin: Use caution in liver disease or if jaundice, dark urine, or severe fatigue occurs during treatment.

Kidney

CAUTION

Erythromycin: Some antibiotics require dose adjustment or monitoring in kidney disease. Use exactly as prescribed.

Disclaimer: This information is for educational purposes only. WHO references and weight bands are simplified for tracking and must not replace medical advice. Always consult with a healthcare professional before starting or changing any medication.