Autoimmune Hypothyroidism
Hypothyroidism, often caused by autoimmune thyroiditis, is a common endocrine disorder in dogs, leading to decreased production of thyroid hormones.
Detailed Description
Autoimmune hypothyroidism results from immune-mediated destruction of the thyroid gland, leading to insufficient hormone production. This affects metabolism, skin, coat, and multiple organ systems. Progression is typically gradual, with increasing severity of clinical signs over time.
Common Symptoms
- Lethargy
- Weight gain
- Alopecia
- Dry skin
- Recurrent skin infections
- Cold intolerance
- Reproductive disturbances
Management Options
- Lifelong oral levothyroxine supplementation
- Regular monitoring of thyroid hormone levels
Frequently Asked Questions
Is hypothyroidism curable in dogs?
No, but it is highly manageable with daily medication.
Can hypothyroidism affect my dog's behavior?
Yes, lethargy and behavioral changes are common.
Should all dogs be screened for hypothyroidism?
Annual screening is recommended, especially for breeding dogs.
Condition Details
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Typical Age of Onset
2–6 years
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Testing Available
Yes
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Diagnosing Methods
Blood tests for thyroid hormones; Thyroglobulin autoantibody testing
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Preventative Measures
Screening breeding stock; Early detection via annual thyroid panels
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Related Conditions
Non-thyroidal illness syndrome, Cushing’s disease