Informational only — not veterinary advice. Health information here is general and educational only — it is NOT veterinary advice and must not be used to diagnose or treat your dog. If you are worried about your dog's health, contact a qualified veterinarian. In an emergency, seek immediate veterinary care.
Overview
An underactive thyroid that slows metabolism. It is common, usually develops in middle age, and is manageable once diagnosed.
Common signs & symptoms
- • weight gain
- • lethargy
- • hair loss
- • dull coat
- • cold intolerance
🛡️ Prevention
Not preventable, but routine wellness blood work helps catch it early. Maintain a healthy weight and diet.
🚩 When to see a vet
See a vet if you notice unexplained weight gain, low energy, or coat changes — a simple blood test can confirm it.
