Health A-Z
Hypothyroidism
Owner and veterinary guidance with linked treatments and source citations.
Hypothyroidism
Species: Dog
Breeds Affected: Medium to large breeds in mid-life (e.g. Golden Retrievers, Doberman Pinschers, Irish Setters, Boxers, Dachshunds, Cocker Spaniels, English Bulldogs)
Clinical review: Veterinary reviewer metadata is not available yet.
Guidance by audience
Use the global Pet owner/Vet toggle in the header. Each mode shows only what that audience needs.
For Pet Owners
Quick summary
Canine hypothyroidism is an endocrine disorder resulting from inadequate production of thyroid hormones (T3 and T4) due to autoimmune thyroiditis or thyroid gland atrophy, leading to a slowed metabolism. Track appetite, hydration, stool/urine changes, energy level, and symptom pattern over time.
Red flags
Call your vet today: Persistent or worsening symptoms. Emergency now: Collapse, severe breathing issues, seizures, uncontrolled bleeding, or severe pain.
What to expect at the vet
Diagnosis should combine history, exam findings, and condition-specific testing.
Prevention checklist
Reduce preventable risk through hygiene, vaccination/preventives when applicable, and routine veterinary follow-up.
For Veterinarians
Diagnostics
Diagnosis should combine history, exam findings, and condition-specific testing.
Differentials
Differential diagnosis considerations are not available yet.
Treatment considerations
Treatment is lifelong thyroid hormone replacement with dose adjustments based on periodic blood tests.
Follow-up strategy
Follow-up strategy is not available yet.
What To Do Now
Escalate care quickly if symptoms worsen, persist, or include emergency warning signs.
| Urgency | Signs | Action |
|---|---|---|
| Call your vet today | Persistent or worsening symptoms | Call your veterinarian the same day for guidance and exam scheduling. |
| Emergency now | Collapse, severe breathing issues, seizures, uncontrolled bleeding, or severe pain | Seek emergency veterinary care immediately. |
Prevention Checklist
Reduce preventable risk through hygiene, vaccination/preventives when applicable, and routine veterinary follow-up.
Treatments and Medication Links
Use these medication pages as a reference for options your veterinarian may discuss.
Detailed treatment strategy remains in the Vet view to avoid duplicate narrative blocks.
No linked medications are available yet.
Find a Vet Near YouFrequently Asked Questions
FAQ content is not available for this condition yet.
Data Sources
Last updated: February 16, 2026, 11:12 AM UTC
View source list
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Owner_summary · clinical_reference
https://www.merckvetmanual.com/searchresults?query=HypothyroidismReference search for condition background. -
Triage · clinical_reference
https://www.merckvetmanual.com/searchresults?query=HypothyroidismClinical triage framing. -
Vet_summary · clinical_reference
https://www.merckvetmanual.com/searchresults?query=HypothyroidismClinical workflow reference. -
Diagnosis · guideline
https://capcvet.org/?s=HypothyroidismGuideline discovery link. -
Prevention · public_health
https://www.cdc.gov/search/?query=HypothyroidismPublic health discovery link. -
Treatment_overview · guideline
https://capcvet.org/?s=HypothyroidismTreatment guideline discovery link.
Revision History
View revision log
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structured_enrichment2026-02-16 11:12 · etl
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structured_enrichment2026-02-16 11:00 · etl
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structured_enrichment2026-02-15 11:11 · etl
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structured_enrichment2026-02-15 11:00 · etl
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structured_enrichment2026-02-14 11:10 · etl
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structured_enrichment2026-02-14 11:00 · etl
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structured_enrichment2026-02-13 11:11 · etl
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structured_enrichment2026-02-13 11:00 · etl
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structured_enrichment2026-02-13 04:45 · etl
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structured_enrichment2026-02-12 22:47 · etl
Related Media
Related media is not available for this condition yet.
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