Cat suddenly has one eye red and swollen

Author portrait of Sarah Johnson

Sarah Johnson

Healthcare Technology Correspondent

Cat suddenly has one eye red and swollen

Causes of sudden redness and swelling in one eye of a cat:

Conjunctivitis caused by sudden redness and swelling of one eye in a cat may be caused by bacterial infection, external stimulation, injury, etc. Affected cats will have symptoms such as squinting, tearing, and photophobia. It is recommended to send the cat to the hospital for examination and consultation with a veterinarian before taking medication. Conjunctivitis cannot heal on its own. If it cannot be treated in time, it may cause more serious complications. It is recommended to treat it as soon as possible.

Solutions to a cat’s sudden redness and swelling of one eye:

1. Wear an Elizabethan collar on the cat first to prevent the cat from scratching due to discomfort in the eye area, resulting in Secondary damage to the eyes.

2. It needs to be taken to the hospital for examination. What is the reason for the redness, swelling and tearing?