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My dog just had surgery. When can I feed her after tumor removal?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Female | spayed | 7 years and 10 months old | 30 lbs

My dog just had her cancerous tumor removed from her mammary gland earlier today (exactly 12hrs ago) she hadn't eaten since her lunch meal yesterday. The vet told me she was in a good condition and decided she could come home with me. He hasn't given her any IV or food and asked me not to feed her till tomorrow. She is walking around the house, we are avoiding her jumping around but she seems very hungry, can I feed her?

1 Answer

Most Helpful Answer

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Answered By Daniel Fonza, DVM

Veterinarian

Published on November 22nd, 2017

Hi there and thank you for using Pet Coach to address your concern! If she is alert and recovered well from her procedure, I would say it would be safe to give her 1/2 the amount she normally gets at meal time and see how she does. If she keeps this down ok after an hour, you can give her the other 1/2 amount. After this, she should be absolutely fine to eat her normal portions and at her regular feeding time. We normally like withholding food post-operatively because anesthesia tends to slow down motility in the intestines and sometimes this can cause dogs to vomit. I hope this helps! Please let me know if you have any other questions or concerns.

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