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Hypothyroidism

A slowed metabolism in middle-aged dogs: weight gain, symmetrical hair loss, dander, low energy.

🔍 Related symptoms

Typical symptoms ranked by diagnostic value — tap for the full symptom page

Unexplained weight lossHair loss / bald patchesIncreased danderLethargy / sleeping morePersonality change / irritabilitySymmetrical hair loss with darkened skinGreasy coat / seborrhea

✅ Home-care checklist

  • ✓Track the weight trend
  • ✓Get a thyroid panel
  • ✓If diagnosed, medicate on schedule and re-test regularly

🏥 When to see a vet

  • ⚠Unexplained weight gain + hair loss + low energy
  • ⚠Skin infections that never fully heal

🐾 Predisposed breeds

Golden RetrieverSiberian HuskyDoberman PinscherBeagle

Not sure how serious it is? Assess it with the symptom checker

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