10 Warning Signs of Cancer in Cats That Every Owner Should Know

3. Mouth Changes

Checking the mouth of a cat

Sores, lumps, a strange odour, bleeding, or a change in gum colour can be a sign of oral cancer, particularly in older cats. This cancer sign in cats often goes unnoticed for too long. “We commonly find visible oral tumours because people don’t examine their pet’s mouth,” says Zaidel. “Many oral tumours can be really devastating because people don’t find them until it’s really advanced.” He also suggests brushing on a regular basis. It’s a good idea to watch when your pet yawns or eats, advises Timothy Rocha, DVM, an oncology specialist in New York City. See a vet if you notice something out of the ordinary.


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