My dog has a sudden bump on its head. What could it be and what to do?
Updated On September 23rd, 2025
Pet's info: Dog | Blue Heeler | Male | unneutered | 8 months and 24 days old | 35 lbs
Sudden bump on top of dogs head
4 Answers
Most Helpful Answer
Published on July 6th, 2017
A bump can be any number of things from an insect bite to infection/abscess, cyst or adnormal growth. If it is growing rapidly, is painful or changes in color or size quickly I would have Skookum checked by a vet.
2Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on January 1st, 2017
Based on your description, it could be an abscess or an infected growth. For now apply a cone (e-collar) to prevent scratching and further trauma. Follow up with your veterinarian to have the area clipped, cleaned and evaluated for further treatment.
1Pet Parents found this answer helpful
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Published on June 12th, 2018
Hello, it looks like that could be a small epithelial tumor. Most of the time those small tumors are benign and do not need removal. However, if it continues to grow or if she is bothering at it, then you should have your veterinarian evaluate this and likely remove it. Once removed, this should be sent to biopsy to confirm it is benign. Hope this helps and best of luck.
1Pet Parents found this answer helpful
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Published on October 9th, 2017
Well, I agree it looks swollen and red. A bug bite is possible, but also a skin infection is probably more likely. Dogs do get skin infections fairly easily. A veterinarian can get a needle aspirate which can provide a lot of information about what it may be, as well as treatment recommendations. Good luck! I hope it resolves quickly!
1Pet Parents found this answer helpful
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