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My dog vomited Doxycycline for Anaplasma. What should I do now?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Female | spayed | 7 years and 8 months old | 67 lbs

Hello, My dog Chloe had a 4DX snap test yesterday and it came out positive for Anaplasma bacteria. Her blood work, chemistry, and urinanysis is normal. Doctor prescribed Doxycycline 200mg every 12 hours for 10 days. She had a first dose after diner and then vomited. I wonder if she vomited because of Doxycycline and what to do. Also, will the antibiotic completely eradicate the bacterial infection. My dog's main symptoms are lethargy and stiffness but she has a very good appetite. Please, advise

1 Answer

Most Helpful Answer

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Answered By Maria DVM

Veterinarian

Published on August 24th, 2019

I would recommend trying the antibiotic one more time. Make sure Chloe has a full stomach prior to giving it. If she vomits again, I would recommend calling your veterinarian tomorrow and discussing what the next steps are. Thank you for using Petco Pet Education Center, formerly Petcoach.

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