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My 4-week-old puppy left mom early. What health or behavior issues?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | unneutered | 1 month and 9 days old

Hi. I recently have gotten a puppy and the owners told me he was 7 weeks when he’s actually 4. They told me they’ve started to wean him off of his mom and they were almost done (which is true just done a bit too early) also, his living conditions weren’t the best at all. So I feel like I have no choice but to keep the poor thing. So with all of that being said, is it going to hurt him not being with his mom? He seems okay and normal but I’m worried because he’s young.

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1 Answer

Most Helpful Answer

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Answered By Dr. Dayna, DVM, CVA

Veterinarian, Certified Veterinary Acupuncturist

Published on January 10th, 2018

If he is no longer nursing, then he isn’t getting antibodies from Mom anymore so he will need to start his vaccine series earlier than usual. Also, he may not learn the social cues that Mom teaches during this time. He can, however, learn those by participating in a puppy play group . I would schedule an appointment with your veterinarian soon to start the vaccinations and to ask for a recommendation for a puppy play group. Best of luck and enjoy your cute new puppy!! Thank you for using Pet Coach.

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