Companion Animal Welfare

Dog Hypothyroidism Long-Term Welfare

Hypothyroidism is a common hormonal disorder in middle-aged dogs - correct long-term management restores full quality of life.

Key Facts

Hypothyroidism affects approximately 0.2% of the dog population, more in certain breeds
Symptoms include weight gain, lethargy, skin changes, and cold intolerance
Levothyroxine replacement therapy restores normal thyroid function reliably
Twice-daily dosing is typically required as dogs metabolise levothyroxine faster than humans
Annual thyroid level monitoring ensures adequate replacement through the dog's life

Welfare Considerations

Undiagnosed or inadequately treated hypothyroidism causes chronic lethargy and discomfort. Correct diagnosis and appropriate replacement therapy are transformative - most dogs return to normal energy levels within weeks of starting treatment.

What You Can Do

Have your middle-aged dog's thyroid function tested if they show unexplained weight gain or lethargy
Ensure regular monitoring of levothyroxine levels to maintain adequate replacement
Discuss twice-daily dosing with your vet for optimal thyroid management