Can dog vaccination or Ehrlichia cause IMHA? When should I retest?

Question

Good evening! My dog died of immune mediated haemolytic anaemia. It was vaccinated 10 days before. Could that be the reason?Italso had a title of erlichiosis 1/1600 and took antibioticw for a month but was not retested. She died two months after the end of therapy. Should she have been retested in these two months? Thank you. Pet's info: Dog | Mixed Breed | Female | spayed | 20 lbs

Dr. Massimo Orioles, DVM, Cert AVP, MRCVS · Accepted Answer

I am sorry to hear about your loss. There are some studies about the relationship between vaccinations and IMHA (immune mediated hemolytic anemia). Unfortunately even though theoretically there may be a link between the two, that has not been confirmed from an scientific point of view. It is more likely that Ehrlichia was linked to the IMHA even though more commonly Ehrlichia causes immune mediate thrombocytopenia. It is hard to say if it should have been retested, even without clinical signs of the disease. For sure it should have been retested when IMHA was evident. Please do not hesitate to contact us again on the forum or by requesting a consultation (where you can post pictures ) if you have any more questions or to discuss it any further.

Can dog vaccination or Ehrlichia cause IMHA? When should I retest?

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