Hypothyroidism is a common hormone deficiency in dogs where the thyroid gland is destroyed (immune-mediated thyroiditis) and underproduces metabolism-regulating hormones.
This condition requires veterinary attention.
If your animal shows the Key or Common signs listed, please visit a clinic immediately.
Report Case / Get HelpAutoimmune/Genetic. Not contagious.
Slow onset. Signs include weight gain without overeating, lethargy, cold intolerance, and skin issues ("Rat tail", hair loss, dark skin).
Blood panel showing low T4 and high TSH (Thyroid Stimulating Hormone).
Daily oral synthetic thyroid hormone (Levothyroxine). It is inexpensive and effective.
None. Genetic predisposition in Goldens, Dobermans.
Excellent. Once regulated, the dog returns to normal health.
Medical DisclaimerThis information is for education only and does not replace examination, diagnosis, or treatment by a qualified veterinarian.