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My dog has a recurring ear bump. Is it a tick? What prevention works?

Updated on September 23rd, 2025

Pet's info: Dog | Toy Poodle | Female | spayed | 5 years old | 6 lbs

Got bump on ear a year ago,but disappeared before vet appt,vet didn't see anything bad with her during appt.Got identical bump two weeks ago on ear again(see pic),normal behavior,bump still the same.I found one small tick on my pillow this morning,nobody have bites,is this bump actually a tick?Never had this issue before,just checked,washed & cleaned everything.On triflexis for a long time,didn't know doesn't prevent ticks.Is there a product for flea,heart worm & tick all together?Advice pls.TK

1 Answer

Most Helpful Answer

Vanessa Yeager DVM MPH

Answered By Vanessa Yeager DVM MPH

Veterinarian

Published on June 5th, 2018

Hi and thanks for posting on Petco Pet Education Center, formerly Petcoach!

It is hard to say exactly what the cause of the bump may be without examining Lilly first. It may be from a tick bite or could be a small mass such as a cyst. From the picture, it does not appear to be a tick. Trifexis does not cover ticks. You may consider placing Lilly on another product that covers ticks. Currently there is no one product that covers heart worms, fleas, and all 4 types of ticks. I would recommend NexGard or Simparica that covers fleas and ticks very well in addition to her regular monthly heart worm preventative.

I would keep an eye on the bump, however. If it gets larger or you notice any discharge or redness, I would take Lilly into her veterinarian to have it evaluated.

I hope this helps!
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