4 month old cat in heat

My only 4 month old kitten is a cat in heat for the second time this month. Is that normal?

This is certainly normal. Cats can go in and out of heat very rapidly and very frequently, so fast, in fact, that sometimes you don't even realize that they ever came out of it in the first place. And, yes, a cat in heat can be as young as only 4 months old.

I would suggest you bring your kitten to a veterinarian to be spayed as soon as possible!

All the best,
Dr. Neely

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