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Why does my rat have red discharge from its eyes? Is it sick?

Updated On September 23rd, 2025

Pet's info: Small Animal | Unknown - Small Animal | Female

Discharge from eyes (white rat)

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Answered By Elva Ma DVM

Veterinarian

Published on February 11th, 2018

Hello, and thank you for your question. The reddish discharge from the eyes is called porphyrin, which usually occurs in rats due to stress, often due to medical illness. Has she been feeling unwell lately? Common causes of illness in rats include upper respiratory infections (colds), systemic infections, diarrhea, skin problems, or skin tumours. If her energy or appetite are decreased, I would encourage you to take her to the vet to pinpoint the underlying cause. At minimum, they can provide supportive medications for pain or antibiotics if needed. In the meantime, make sure you are keeping Enni's living area clean, and cleaning out any soiled bedding daily. I hope this helps, and that Enni feels better soon.

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