When Canine Misbehavior is Medical

Reprinted with permission from Our Companion News, Fall 2009.
Photos
Copyright 2010, Kerry Blue Terrrier Foundation

It’s the call animal rescuers dread: an animal at risk of losing their home due to a behavioral problem. Marie Joyner, Chief Operating Officer for Our
Companions, received one of those calls; a black Labrador Retriever bit his owner. The Lab was taken by animal control to he quarantined and the family
planned on euthanizing him after his quarantine period was over. This particular call took Marie by surprise, since the Lab had no history of aggression.

Joyner’s first step was to bring the dog to a veterinarian for a full clinical exam, blood
work-up including thyroid levels, and a 4DX blood test for Heartworm, Lyme and two other lick-borne diseases. “A thorough health exam is key when dealing
with aggressive behavior,” says oyner, “because training cannot work when there is a medical cause for the behavior being addressed.” The goal was
to uncover and treat an underlying medical issue possibly causing the Lab’s aggression, or rule out the health factor and address the aggression as
purely behavioral.

Pain and discomfort are understandable causes of aggression, but there are other causes of aggression that hold their roots in medical issues. Hormone
imbalances, tick-borne viruses, and even head trauma and brain tumors can cause a dog to become aggressive. Once identified, many of these issues can
be eased through medical treatment or naturopathic remedies. Some owners, including Joyner herself, use herbal supplements to address specific issues,
though she stresses the importance of full disclosure to veterinarians when any natural remedies are used.

Joyner was aware of research that demonstrated aggression can be a symptom of tick-borne illnesses (as opposed to aggression resulting from the pain that
usually serves as the primary symptom), so she insisted on the full range of tests including screening for tick borne illnesses. All of the dog’s tests
came back normal, except for the thyroid test, which was low, yet still within a normal range. Joyner’s veterinarian ordered a different, more sensitive
test, which confirmed the Lab indeed had hypothyroidism.

Choosing a veterinarian who is receptive to the connection between medical issues and behavior problems, is up-todate on research, and supports positive
reinforcement training is a necessary part of determining the root cause of canine behavioral problems. Another key element is maintaining continuity
of care. “I encourage my clients to see the same veterinarian, even in multi-vet practices, to develop a good relationship so they know your pet and
can help identify changes in your pet’s health and behavior,” said Joyner.

Aggression isn’t the only reason for animals being abandoned due to behavior problems. Housetraining issues are also often cited. There are several medical
issues that can cause a regression in housetraining: bladder or urinary tract infection, colitis, urine crystals, or even small seizures, which can
be diagnosed and treated. If any of these problems exist, behavioral training will he ineffective without proper medical treatment. As a first step
in addressing canine behavioral problems, Joyner suggests pet owners rule out any medical problems that can be the cause.

Considering 3-4 million pets are euthanized in United States’ shelters every year, there is no exaggerating the importance of using every tool available
to make sure your pet doesn’t become a statistic. Luckily for the black Lab, he was in the right hands. Once his hypothyroidism was properly diagnosed
and treated, he found a new forever home and a happy ending.

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