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My Yorkie has recurring respiratory infections. Which antibiotic is best?

Updated On September 23rd, 2025

Pet's info: Dog | Yorkshire Terrier | Female | unspayed | 3 years and 3 months old | 5 lbs

My 4lb yorkie Is showing signs of a reoccurring infection in her lungs her first one was due to a virus in her lungs the vet Suspected pneumonia. Now it’s months later and she suffering from a sinus infection. Liquid zithromax & 100mg capsual doxycycline on hand which one do you recommend?

2 Answers

Most Helpful Answer

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Answered By Daniel Fonza, DVM

Veterinarian

Published on April 20th, 2018

Hi there and thank you for using Petco Pet Education Center, formerly Petcoach to address your concern. If Toodie is still suffering from a respiratory tract infection, I would recommend rechecking with the veterinarian and consider additional testing such as culturing the respiratory tract to see if there is a resistant bacteria. If you want to start an antibiotic, I would recommend starting Doxycycline and if there is no improvement, consult with the veterinarian and have Toodie examined for further recommendations in regards to diagnostics and treatment. I hope this helps! Please let me know if you have any other questions or concerns and I would be more than happy to help you further.

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Other Answers

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    Answered By Linda G, MS, DVM

    Veterinarian

    Published on April 22nd, 2018

    Hello. Zithromax may be appropriate, but Toodle may not have a bacterial infection, so antibiotics may not be appropriate. She may have a viral infection, or most likely suffer from some type of chronic bronchitis that often responds very well to Doxycycline & steroids. I also would not throw all those cough medicines & antihistamines at her as this can be quite dangerous. Antihistamines can affect blood pressure, & also dry out the mucous membranes so bad as to make her symptoms worse. The honey is fine as it can soothe an irritated throat. I would get her into a hot steamy room & see if this helps after 10 minutes or so 2-3 times a day. Otherwise, please look into some of the payment options such as CareCredit or Scratchpay so you can have your pet seen & properly treated. Thanks for using Petco Pet Education Center, formerly Petcoach.

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