Hypothyroidism Canine"Hypothyroidism canine is a condition that is usually caused by an inherited autoimmune disease where your dog's immune system attacks the thyroid gland destroying tissue (also called lymphocytic thyroiditis). Diagnosis is via a simple blood test. Treatment options include synthetic hormone replacement therapy and possibly dietary supplements that promote thyroid health." Hypothyroidism in dogs is a disorder of the thyroid gland, a small gland in the neck attached to the trachea and below the larynx. Its primary function is to regulate the metabolism. With hypothyroidism, the thyroid is under active, so the metabolism is decreased. In most cases, hypothyroidism occurs when the dog’s own immune system attacks the thyroid gland (autoimmune thyroiditis). Sometimes the thyroid tissue atrophies (wastes away) with no known cause although diet or something in your dog's environment may be the cause. In a very rare case there could be a tumor present. Canine Hypothyroidism SymptomsDog hypothyroidism symptoms are consistent with a clear slowing down of your dog including reduced levels of energy, a reluctance to go for walks, avoidance of play or just tiring out earlier than normal. Other symptoms include weight gain without increase in food consumption, and changes to appearance such as a loss of coat shine (dull look), hair loss (it is common to see hair that has been cut grow back more slowly than usual) and dry skin.Other symptoms can include infections on the skin and changes in behavior such as more aggression. Hypothyroidism Canine DiagnosisIf your dog has symptoms of canine hypothyroidism, your vet will do some blood tests to check for hormone production coming from the pituitary gland and the thyroid since the pituitary signals the thyroid gland to produce hormones (called a TSH, T3 and T4 tests).Even if tests are not clear, your veterinarian may choose to start treatment for canine thyroid disease to see if your dog responds to therapy. Hypothyroidism Canine TreatmentTreatment for dog hypothyroidism problems involves 1x or 2x daily treatments of replacement hormones called L-thyroxine. The level of hormone therapy is based on your dog's weight. Your veterinarian will repeatedly do blood tests until the right level is found.With treatment your dog should resume normal behavior and health in several weeks. Holistic veterinarians also like to supplement the diet with a therapy that supports thyroid health such as Thyro-Pet , an all natural approach to supporting the thyroid. SourcesDog Owners Home Veterinary HandbookFourth Edition Eldredge, Debra DVM Carlson, Liisa DVM Carlson, Delbert DVM Giffin, James MD Diagnosis and Treatment of Canine Hypothyroidism and Thyroiditis From Hypothyroidism Canine to Dog Health Guide Home
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