About erythromycin ethylsuccinate
Macrolide antibiotic
Used for
- Treats susceptible bacterial infections, including some respiratory, skin, and ear infections
- Treats pertussis and diphtheria in selected cases
Usual adult dose
Usually 250–500 mg every 6 hours, or 500–1,000 mg every 12 hours; depends on infection.
Usual dose in children
Usually 30–50 mg/kg daily in divided doses; some severe infections require up to 60–100 mg/kg daily, prescribed by a clinician.
Common side effects
- Nausea, vomiting, abdominal pain, or diarrhea
- Reduced appetite
- Rash
- Rarely, liver problems or abnormal heart rhythm
Important warnings
- Can prolong the QT interval and rarely cause serious abnormal heart rhythms
- Seek urgent care for severe diarrhea, jaundice, fainting, or allergic reaction
- Use only for bacterial infections; unnecessary use promotes antibiotic resistance
- Dose depends on infection, age, and kidney or liver health
Pregnancy
Can be used during pregnancy when prescribed; suitability depends on the infection and individual circumstances.
Breastfeeding
Generally compatible with breastfeeding; monitor the infant for diarrhea, rash, or feeding changes.
Interactions
- May interact with medicines that affect heart rhythm
- Can raise levels of certain statins, anticoagulants, and seizure medicines
- Antacids containing aluminum or magnesium may reduce absorption
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.