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My dog tested positive for E. Canis, no symptoms. Should I worry?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Female | spayed | 3 years and 7 months old | 70 lbs

My dog tested positive for E. Canis, but is showing no symptoms. Should I be concerned?

1 Answer

Most Helpful Answer

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Answered By Mara Howard, DVM

Veterinarian

Published on August 8th, 2017

If Lacey was found to be positive on a routine screening test as part of her yearly exam, it could be indicative of exposure to Ehrlichia but not an active infection. Ehrlichia is a type of tick borne disease that infects the white blood cells in a dog. If she isn't sick, I would recommend she have a blood test done called a complete blood cell count, or CBC. This measures and examines the red and white blood cells. If normal, she has been exposed and no further treatment is needed at this time. If abnormal her veterinarian may start her on a course of an antibiotic (doxycycline).

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