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Unspayed dog not eating, vomiting, diarrhea after heat. What's wrong?

Updated On September 23rd, 2025

Pet's info: Dog | Chihuahua | Female | spayed | 10 years old | 11 lbs

We need help with our dog shes. Shes a 11 Lb copper head Chihuahua age 10 and a half she wont eat shes was just in heat hasn't eaten in 4 days we are trying home remedies....we have amoxicillin but its in 500mg (pill) shes vomiting and diarrhea and dont wanna move on her own.

1 Answer

Most Helpful Answer

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Answered By Daniel Fonza, DVM

Veterinarian

Published on January 20th, 2020

Hi there and thank you for using Petco Pet Education Center, formerly Petcoach to address your concern. It is difficult to say for sure what is going on without examining her myself. Based on your description, you say she may be in heat, yet the Pet's info section it states that she is unspayed. If she is not spayed, she could be dealing with something called a pyometra, which is when the uterus fills with pus. This can be a life threatening condition. I would strongly recommend having her examined by a veterinarian so that the most appropriate diagnostic and treatment recommendations can be made. Please refrain from giving any antibiotics until you have spoken with a veterinarian that has examined her. I hope this helps!

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