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Ask Dr. Michael Salkin Your Own Question
Dr. Michael Salkin
Dr. Michael Salkin, Veterinarian
Category: Dog
Satisfied Customers: 33255
Experience:  University of California at Davis graduate veterinarian with 45 years of experience.
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We just noticed a large round swelling on one of our cocker

Customer Question

We just noticed a large round swelling on one of our cocker spaniel bitches breasts. It is obviously painful to her when we touch it - not sure otherwise. She is less than 1 year old, unspayed. This seems to have come on very suddenly
Submitted: 1 year ago.
Category: Dog
Expert:  Dr. Michael Salkin replied 1 year ago.

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Expert:  Dr. Michael Salkin replied 1 year ago.

I'm sorry that your question wasn't answered in a timely manner. Can you upload a photo of this breast to our conversation? You can do so by using the paperclip icon in the toolbar above your message box (if you can see that icon) or by using an external app such as

When was she in heat last? If between 1-3 months, pseudocyesis (pseudopregnancy/false pregnancy) needs to be considered. One or more breasts - often the most caudal (toward her tail) - may be filling milk +/- infection.