Chlamydia (chlamydia felis) in cats

Symptoms of chlamydia in cats

Chlamydia symptoms in cats show up in the mucous membranes of cat’s eyes. It may look as though your cat has an eye infection. Other symptoms to look out for include:

• An inflammation that starts in one eye, but soon spreads to both.
• The conjunctiva may become red and swollen
• Clear liquid seeping from the eyes, which might later look foggy
• Fever and decreased appetite

Chlamydia can also affect cats younger than 9 months old – and who live in a household with other cats. Chlamydia in kittens can be severe, so contact your vet straight away if you suspect your kitten may have chlamydia.

How is chlamydia transmitted between cats?

Chlamydia is mostly transmitted from cat to cat via eye infections. And it is transmitted through direct contact.

The incubation period for chlamydia in cats (the time between initial infections and displaying symptoms) varies from 2-5 days.

Cats be contagious up to 60 days after infection, and they can also remain infected beyond this, meaning that the continue to spread the infection as long as they live.

How is chlamydia diagnosed in cats?

If your cat is displaying symptoms, your vet will take a sample from their eye to determine whether they have chlamydia. This sample should be taken as soon as symptoms first begin, as this is when it’s easiest to sample the bacteria.

How is chlamydia in cats treated?

Chlamydia can be treated with antibiotics – usually across 4 weeks. If you have several cats at home, they may all need to be treated at the same time.

Can you vaccinate your cat against chlamydia?

It is possible to vaccinate your cat against chlamydia – to alleviate the symptoms of the disease. However, vaccinated cats can still carry the bacteria and infect others.

Read more about keeping your cat's health in check, including vaccinating your cat against common flu and other forms of preventative healthcare for your cat.