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My dog has a teat lump, could it be mastitis? Can puppies nurse?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | unspayed | 1 year old | 12 lbs

My dog has a lump in one of her teats could it be mastitis? And do I still let her new litter nurse they are 1 week old tomorrow

4 Answers

Most Helpful Answer

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Answered By Dr. Dayna, DVM, CVA

Veterinarian, Certified Veterinary Acupuncturist

Published on January 7th, 2018

Absolutely keep nursing. In fact try to make the puppies use that nipple the most. Also warm water compress and massage can help too. I would also encourage you to have her evaluated by your veterinarian as soon as possible as she may need antibiotic therapy. Best of luck and thank you for using Pet Coach.

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    Answered By Destini R. Holloway, DVM

    Veterinarian

    Published on January 7th, 2018

    The lump coupled with her fever are highly suggestive of a bacterial mastitis. She needs oral antibiotics prescribed to her right away to help resolve this. You can also help alleviate the swelling by doing alternate hot and cold compresses on the mammary gland while also doing gentle massage and milking the infection out (if tolerated). The vet will also likely place her on anti-inflammatory medication as well. Poor girl. I know how uncomfortable she must feel. I hope that Bella gets this resolved soon. Best wishes and take care.

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    Answered By Sara Farmer, DVM

    Veterinarian

    Published on June 29th, 2018

    The concern might be the medication more than nursing the infected teat. As long as she doesn't have a high fever and is attentive to the pups, and as long as she hasn't had any calcium problems I would typically be okay with a dam with mastitis continuing to nurse. Some antibiotics are secreted in the milk and could be dangerous for the puppies however - ask your veterinarian if this is the case. If the puppies are not interested in the milk replacer you may want to ask your veterinarian about tube feeding the puppies. Tube feeding can be difficult to master so I would definitely recommend a demonstration from your vet before attempting it.

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    Answered By Steve Popish, DVM

    Veterinarian

    Published on August 27th, 2017

    Thanks for your question and picture. Based on the information in your question, I can only guess that the swelling and inflammation is from the mammary glands being full of milk due to lack of nursing by the puppies. However, should your dog become lethargic and start a fever, mastitis could be a possibility. More importantly, I am concerned that the puppies may not be getting enough nutrition. Best recommendation is to schedule an appointment with your local veterinarian to examine your dog and the puppies in order to treat this situation to the benefit of all involved. Treatment could include bottle feeding the puppies and weaning the puppies early or helping the mom nurse the puppies 4-6 times per day. Hope this helps but always available to consult with you further. Thanks, Dr. Steve Popish.

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