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My dog has a red ring or lump after tick removal. Is it serious?

Updated On September 23rd, 2025

Pet's info: Dog | Pembroke Welsh Corgi | Female | spayed | 4 years and 6 months old | 45 lbs

We pulled a tick off her 2 days ago and now its has a red ring around it. There is another spot where there was a tick and now its a hard lump but it is not red.

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2 Answers

Most Helpful Answer

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Answered By Dr. Leigh, DVM

Veterinarian

Published on June 1st, 2018

A small amount of localized swelling and redness is a normal inflammatory reaction after tick removal. However, if the swelling and redness persists then you should have your vet take a look at it. You could clean the area with a wound wash and then apply a topical OTC antibiotic cream to the area. Make sure to use a good flea and tick prevention, NexGard, Bravecto, Credelio. Also, talk to your vet about vaccinating for Lyme disease is she isn't vaccinated. Monitor for any abnormal signs and talk your vet about yearly testing for tick borne diseases and heartworms.

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    Answered By Angel Alvarado, LVT

    Licensed Veterinary Technician

    Published on January 19th, 2017

    A tick needs to be attached and feeding for at least 24 hours before Lyme disease can be transmitted. If the tick was not engorged, it is likely it was not on long enough. The ring can be a reaction to the tick bite or any bug bite or sting. Monitor for lethargy, painful joints or swollen joints in the future. Clinical signs can appear as long as 2-5 months after a bite. Always use an appropriate preventative such as Frontline or K9 Advantix every month. If you prefer collars, you can use the Seresto or Preventic collars.

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