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My dog was having hair loss issues (bi-lateral flank hair loss) and was and still is overweight. The veterinarian I took her to only suggested a T4 reading and told me that a full panel isn’t necessary. What would you have done?

September 27, 2013 by Dr. Cathy Leave a Comment

dog_sheddingI would have done a full panel. You can have normal T4 but the conversion to T3 (the active form of thyroid hormone) can be abnormal. Another thing that can be abnormal is the autoantibodies (which means that the thyroid gland is having an autoimmune problem and destroying itself). Just checking T4 works as a screening tool in dogs, once they’ve been properly diagnosed, to say that their medication is at the right level. T4 alone is a good diagnostic tool for feline hyperthyroidism. Dogs can have normal T4 levels but have thyroid dysfunction. Dogs can have low T4 levels but have normal thyroid function. It takes a full panel (T4, T3, fT4, fT3, TGAA) to correctly diagnose canine thyroid function.

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Filed Under: Health Conditions, Older Dogs, Second Opinions Tagged With: autoimmune, pet health, T4, thyroid

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As a practicing veterinarian, I treated 80% of my patients with “nutrition therapy.”

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Dr. Cathy isn't just a pet lover and veterinarian. She's a published author, sought after pet health expert for the media, and a passionate and practical voice for pet owners everywhere.

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Dr CathyDr. Cathy isn't just a pet lover and veterinarian. She's a published author, sought after pet health expert for the media, and a passionate and practical voice for pet owners everywhere. Now retired, Dr. Cathy is proud to have built a successful veterinary practice as one of the few veterinarians that offered both traditional veterinary care and alternative medicine options. Continue reading...

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