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Dog mated in heat, crying and has watery diarrhea. What to do?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | unspayed | 8 months and 20 days old | 4.5 lbs

Ruby is in her first heat cycle and her nappies, one made for dogs (Simple Solutions) was secure enough to keep her at bay. The other type of nappy (small baby diapers) never had a chance to get through it at all before but not this time. We were doing things around the house when they locked. I know this is the first time Ruby locked with Spudsy as she is crying right after they were unlocked. My concern is that her butt seems to be leaking with watery poop and she's screaming too. Help?

1 Answer

Most Helpful Answer

Laura Johnson VMD

Answered By Laura Johnson VMD

Veterinarian

Published on February 11th, 2018

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Poor Ruby!

Sadly diapers are not made to prevent mating, they always find away. The crying is likely because Ruby is feeling some discomfort after mating. It should subside. Since she mated it is likely she is pregnant. If this is something you do not want then see your Vet to discuss options. The diarrhea is likely not related to the breeding. Diarrhea can be from intestinal parasites, hormones from being in heat, stress, viral or bacterial infections, ate something gross, food allergy/intolerance. Since the diarrhea is severe (leaking) I would fast her for 12-24 hours then start feeding her a bland diet of boiled chicken or hamburger with rice until 2 normal stools. Feed 1 cup per 20 lbs per day.

If the diarrhea persists I recommend having a Vet exam. If the crying persists then she should see a Vet today.

I hope this helps and I wish you all the best!
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