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Ask Dr. Michael Salkin Your Own Question
Dr. Michael Salkin
Dr. Michael Salkin, Veterinarian
Category: Dog Veterinary
Satisfied Customers: 28495
Experience:  University of California at Davis graduate veterinarian with 45 years of experience
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Our 10 year old chihuahua is lyme amd ana plasmosis positive

Customer Question

our 10 year old chihuahua is lyme amd ana plasmosis positive she took minocycline for 30 days and was doing well. For the past 3 days she is pacing all day long. The last dose of minocycline was 3 days ago.
Please advise.
Submitted: 2 years ago.
Category: Dog Veterinary
Expert:  Dr. Michael Salkin replied 2 years ago.
Aloha! You're speaking to Dr. Michael Salkin
I'm sorry that your question wasn't answered in a timely manner. Aimless pacing is worrisome for encephalopathy - brain disorder - particularly involving the cerebrum and thalamus (forebrain). Lyme can cause central nervous system signs which would indicate chronic infection that had eventually made its way into her brain. Alternatively, and more commonly, brain tumor in a 10 year needs to be considered.
This behavior can be a challenge to clarify often necessitating advanced imaging such as MRI and cerebrospinal fluid analysis in an attempt to spot an infectious agent such as Borrelia burgdorferi - the agent of Lyme.
Painful dogs will pace as well. A thorough physical exam is indicated in attempt to localize that pain. If will be difficult to localize it to her brain, however. Please respond with further questions or concerns if you wish.
Expert:  Dr. Michael Salkin replied 2 years ago.
Hi,

I'm just following up on our conversation about your pet. How is everything going?

Dr. Michael Salkin