COMPANION BIRDS · OWNER EDUCATION
Psittacosis in Companion Birds
Chlamydia psittaci can cause variable illness in birds and can infect people, making veterinary diagnosis and hygiene important.

THE SHORT VERSION
Understanding supports better veterinary conversations.
Chlamydia psittaci can cause variable illness in birds and can infect people, making veterinary diagnosis and hygiene important. Similar signs can have very different causes, so the animal's species, husbandry, examination findings and diagnostic results all matter.
What is this condition?
Chlamydia psittaci can cause variable illness in birds and can infect people, making veterinary diagnosis and hygiene important. Similar signs can have very different causes, so the animal's species, husbandry, examination findings and diagnostic results all matter.
Which animals can be affected?
Risk factors, examination findings and management can differ between species and individual patients.
Why can it happen?
- Exposure to infected respiratory secretions, droppings or contaminated dust.
- Birds may carry infection without obvious signs.
What might an owner notice?
- Lethargy, poor appetite, eye or nasal discharge and breathing changes.
- Abnormal droppings, weight loss or sudden worsening illness.
How is the problem investigated?
- Avian examination with polymerase chain reaction or other testing chosen for the situation.
- Household and human-health exposure review.
What might treatment involve?
- Veterinarian-prescribed prolonged antibiotic treatment and environmental cleaning.
- Testing or management of exposed birds as directed.
This is an overview, not a prescription or a recommendation for a specific individual animal.
What can owners do at home?
- Record appetite, water intake, waste output, activity, breathing and body weight when it is safe to do so.
- Photograph the enclosure, food labels or flock environment and bring a concise timeline to the veterinary visit.
- Follow the veterinarian's exact instructions for medication, feeding, isolation, rechecks and environmental correction.
Avoid actions that could make care less safe.
- Do not give human medication, leftover antibiotics, livestock medication or another animal's treatment without veterinary direction.
- Do not force-feed an animal that is struggling to breathe, cannot swallow, is severely weak or may have an obstruction.
- Do not delay care when appetite, breathing, urination, movement or responsiveness changes rapidly.
What can the longer-term outlook involve?
The outlook varies with the cause, severity, how quickly care begins and whether the animal's environment or nutrition can be corrected.
Can risk be reduced?
- Provide species-appropriate nutrition, housing, sanitation and preventive veterinary care.
- Learn the individual's normal appetite, behavior, body condition and waste pattern so change is recognized early.
When should you arrange care?
- Contact a veterinarian promptly for lethargy, poor appetite, eye or nasal discharge and breathing changes. or abnormal droppings, weight loss or sudden worsening illness..
- Arrange reassessment if signs recur, treatment is not working or another animal becomes affected.
Seek emergency veterinary care if you notice:
SEEK EMERGENCY VETERINARY CARE- Breathing difficulty, collapse, severe weakness or rapid illness in multiple birds.
Sources behind this guide
VeterinaryPartner — client education from the Veterinary Information NetworkPrimary veterinary or veterinary-university guidance ↗Association of Avian Veterinarians: resources for bird ownersPrimary veterinary or veterinary-university guidance ↗Content last reviewed: September 17, 2026. Review status: veterinary-informed; independent veterinarian review not yet completed.