Petco Text Logo
Petco Pet Logo

How to prevent demodex mites in new puppies from a pregnant dog?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | unspayed | 3 years and 7 months old | 8 lbs

My hey hey is pregnant once again and I’m worried that she will repeat what happened last time. Last year she had a litter of puppies and her and puppies contracted a bad case of demodex. They had extreme itching, and a lot of hair loss. Our other dog however didn’t have it. We got them treated and they got better. Now that she is going to have another litter of puppies, spending so much time together, are they going to have an infestation of the mites like last time?

1 Answer

Most Helpful Answer

Image profile

Answered By Jenna Beyer, DVM, MBA, cVMA

Veterinarian, Certified Veterinary Acupuncturist

Published on April 5th, 2020

The puppies can get the Demodex mites as they are born. If their immune system becomes compromised, the mites can grow out of control and start causing the symptoms that we see. The best you can do is try to keep the puppies clean and healthy and hope that they don't get it this time.

Vote icon

1Pet Parents found this answer helpful

image
Have A Vet Question?

Book an appointment with the pros – our expert vets are here to help.

Sponsored