Brand Names:
Ery-Tab, Erythrocin Stearate Filmtab, PCE Dispertab

Drug Type: Antibiotic


Erythromycin is a macrolide antibiotic occasionally used to treat or prevent different types of infections caused by certain bacteria. In poultry, it is most known for its use against Campylobacter spp. and Mycoplasma spp.

Typical Dosage: 500 mg/gallon of drinking water (powder form). 1 ml/10 ml saline as nebulizer for 15 minutes.

Egg Withdrawal Period: In the United States, Ireland, United Kingdom, and Australia, erythromycin is approved for use in laying hens producing eggs intended for human consumption when its given in accordance with each product manufacturer's label directions; where it has a 0-day egg withdrawal period.

Caution: Poultry with existing liver or kidney disease, electrolyte imbalances, or heart rhythm disorders have an increased risk of the associated side effects of this medication.
  • Liver damage
  • Diarrhea
  • Severe skin reaction
  • Loss of appetite
  • cisapride
  • pimozide
  • ergotamine
  • dihydroergotamine