Red gums generally mean Gingivitis (inflammation of the gum line). What breed is your cat? I have a Siamese who has gingivitis, and has had one tooth removed due to dental disease - it seems to affect Siamese and those type of breed cats quite badly.

Check with a vet about the problem and see what solution they give you. It's always better to get a professional to have a look then to not do anything at all.

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