Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Thyroid Supplement (Levothyroxine Compounded) is used in dog for Hypothyroidism. Routes documented in dog: PO. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Thyroid Supplement (Levothyroxine Compounded) in dog, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Compounded T4
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 0.02–0.04 mg/kg | q12h | Lifelong; monitor T4 at 4-6 weeks | Hypothyroidism | Moderate | Plumb's Veterinary Drug Handbook, 9th Ed |
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These ranges are per kg. Enter your dog's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Synthetic T4 (thyroxine) that converts to active T3. Replaces deficient endogenous thyroid hormone. Compounded for exotic species or precise small-patient dosing.
Transdermal bioavailability is unpublished and may be unreliable. Oral route preferred when feasible. Monitor T4 levels 4-6 weeks after starting. Compounded for reptiles and birds.
Species-specific contraindications and adverse-reaction reports for dog may differ from canine / feline reference data — consult the primary citations listed with each rule.
Why a species-specific page? Thyroid Supplement (Levothyroxine Compounded) pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in dog — the rules above are the citations specific to this species, not generic recommendations.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.