Cat · Felis catus · typical adult weight 2.50–7.00 kg
Maropitant is dosed at 2 mg/kg PO q24h in cats, per Maina E, Fontaine J. Use of maropitant for the control of pruritus in non-flea, non-food-induced feline hypersensitivity dermatitis: an open-label, uncontrolled pilot study. J Feline Med Surg. 2019;21(10):967-972. doi:10.1177/1098612x18811372 — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.828 (2026-08-01). — Plumb's 10th ed (held) printed p.799, Maropitant monograph spanning p.799-801; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207. Maropitant is used in cats for Vomiting, Treatment of vomiting in cats 4 months and older (up to 5 consecutive days). Routes documented in cats: PO, SC, IV. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 2 cited dose rules for Maropitant in cats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Cerenia
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 2 mg/kg | q24h | As needed | Vomiting | Moderate | Maina E, Fontaine J. Use of maropitant for the control of pruritus in non-flea, non-food-induced feline hypersensitivity dermatitis: an open-label, uncontrolled pilot study. J Feline Med Surg. 2019;21(10):967-972. doi:10.1177/1098612x18811372 — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.828 (2026-08-01). — Plumb's 10th ed (held) printed p.799, Maropitant monograph spanning p.799-801; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 |
| SC, IV | 1 mg/kg | q24h | Up to 5 days | Treatment of vomiting in cats 4 months and older (up to 5 consecutive days) | Strong | CERENIA - Maropitant Citrate Injection [US Product Label for Dogs and Cats]. Zoetis Inc.; 2020. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=6aeda328-97c9-4868-8ecb-b3a4dcdbc0a0 — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.828 (2026-08-01). — Plumb's 10th ed (held) printed p.801, Maropitant monograph spanning p.799-801; page located 2026-08-05 from the book's own running heads, and carries this exact dose under the matching species heading. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 — Plumb's Veterinary Drug Handbook, 10th ed (held), Maropitant monograph, printed p.801 (corpus PDF p.828), CATS: "Treatment of vomiting in cats 4 months and older (label dosage; FDA-approved): 1 mg/kg SC or IV […]" [INDICATION NARROWED 2026-08-12, two readers — the feline analgesia entry on the same page is an intraoperative IV proof-of-concept, and Papich printed p.474 states there are no clinical studies demonstrating analgesic effects.] |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
| Dose (mg/kg) | Route | Source | As printed |
|---|---|---|---|
| 1 | IV | BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.261 | 1 mg/kg i.v., s.c. or p.o. q24h. |
| 1 | IV | Papich Saunders Handbook of Veterinary Drugs, 4th edp.503 | • 1 mg/kg once daily IV, SQ, or PO (same dose for all causes of vomiting, including |
Figures are transcribed from the cited page or table of each held edition and are shown for reference only. They are not dose recommendations, they do not feed the calculator, and none has been reviewed by a veterinarian.
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These ranges are per kg. Enter your cat's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Blocks substance P at NK1 receptors in the vomiting center (CRTZ and nucleus tractus solitarius). Also provides visceral analgesia.
SC injection may sting (refrigerate prior). Dogs and cats. May mask signs of GI obstruction. Visceral analgesic properties make it useful as part of multimodal analgesia.
Species-specific contraindications and adverse-reaction reports for cats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Maropitant dose ranges in cats, with cited source references: PO 2 mg/kg q24h; SC, IV 1 mg/kg q24h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Maropitant in cats: PO, SC, IV.
Cited course lengths for Maropitant in cats include: As needed; Up to 5 days. Duration depends on the indication — match it to the specific dose rule in the table above.
Maropitant is indicated in cats for: Vomiting, Treatment of vomiting in cats 4 months and older (up to 5 consecutive days).
These are general warnings for Maropitant across species; consult the cat dosing table above for species-specific guidance. SC injection may sting (refrigerate prior). Dogs and cats. May mask signs of GI obstruction. Visceral analgesic properties make it useful as part of multimodal analgesia.
Why a species-specific page? Maropitant pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cats — 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.