Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Mirtazapine is dosed at 0.6–1.9 mg/kg PO q24h in dogs, per Plumb's Veterinary Drug Handbook, 9th Ed. Mirtazapine is used in dogs for Appetite stimulation, nausea. Routes documented in dogs: PO. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Mirtazapine in dogs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Remeron, Mirataz
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 0.6–1.9 mg/kg | q24h | As needed | Appetite stimulation, nausea | 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.
Antagonizes presynaptic alpha-2 adrenergic autoreceptors and heteroreceptors, increasing norepinephrine and serotonin release. Potent appetite stimulant.
Mirataz (transdermal) FDA-approved for feline weight loss. Strong appetite stimulant. Sedation at low doses. Serotonin syndrome risk with other serotonergic drugs. Cats: q48-72h dosing (longer half-life).
Species-specific contraindications and adverse-reaction reports for dogs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Mirtazapine dose range in dogs, with cited source references: PO 0.6–1.9 mg/kg q24h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Mirtazapine in dogs: PO.
Cited course lengths for Mirtazapine in dogs include: As needed. Duration depends on the indication — match it to the specific dose rule in the table above.
Mirtazapine is indicated in dogs for: Appetite stimulation, nausea.
These are general warnings for Mirtazapine across species; consult the dog dosing table above for species-specific guidance. Mirataz (transdermal) FDA-approved for feline weight loss. Strong appetite stimulant. Sedation at low doses. Serotonin syndrome risk with other serotonergic drugs. Cats: q48-72h dosing (longer half-life).
Why a species-specific page? Mirtazapine pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in dogs — 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.