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Azithromycin for Birds (Bird Zithro)

Macrolide antibiotic ยท Updated 2026-09-30

Quick answerAzithromycin is a macrolide antibiotic used in avian medicine for a range of bacterial and atypical infections, including some respiratory conditions. Activity against many gram-positive and some gram-negative bacteria, plus atypical organisms.

What azithromycin is commonly used for

  • Respiratory bacterial infections
  • Infections directed by an avian veterinarian

Things to know

  • Sick birds can decline quickly, so have an avian veterinarian examine the bird before or alongside treatment.
  • Some bird respiratory diseases can also affect people; wash hands and follow your vet guidance.
  • Follow the product label and veterinary direction on dose and duration.

How it compares with other options

Azithromycin is one of several classes of antibiotic used by keepers. Our comparison guide lays out which class suits which problem, and our treatment packs combine complementary classes so you have a backup ready.

Products containing azithromycin

Azithromycin FAQ

Do I need a vet for a sick bird?

Yes. Birds hide illness until it is advanced, so an avian veterinarian should assess any sick bird and can advise whether an antibiotic is appropriate.

Responsible use. Have an avian veterinarian examine any sick bird. Follow the label and consult a veterinarian when unsure.