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My dog has red spots and bumps on her belly after spay. Allergy or bites?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Female | spayed | 6 months and 19 days old | 28 lbs

My dog has several red spots on belly with bumps in the middle (belly was shaved for spay 2 weeks ago). Found another one on her leg. Dog is on Simparica Trio (protection agaist heartworm disease, ticks & fleas, and roundworms & hookworms). Could this be an allergy or bites (in this case what could have caused the bites, so I know if I need to take further steps)?

1 Answer

Most Helpful Answer

Linda G,  MS, DVM

Answered By Linda G, MS, DVM

Veterinarian

Published on May 7th, 2021

Hello. Lily may have a mild staph infection on her belly, & these are very common in young dogs & puppies. Simparica Trio is an excellent product, so it is unlikely these are any kind of bites. If the red spots continue, you might ask your veterinarian for an antibacterial shampoo. This is often all that is necessary to clear up these mild infections & rarely do you need oral antibiotics . Thanks for contacting Petco Pet Education Center, formerly Petcoach.
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