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Cerenia (Maropitant) Dose for Dogs & Cats: Strengths & Dose Calculator

Reviewed by Dr. Ravi Baraiya, B.V.Sc.Updated 2 Nov 20261 source

Cerenia injection contains 10 mg maropitant per mL and is given at 1 mg/kg (0.1 mL/kg) once daily for up to 5 days, to dogs for acute vomiting and to cats from 4 months for vomiting ^[1].

Contains: Maropitant
Company: Zoetis
Forms: Cerenia injection 10 mg/mL
Label species: Dogs, Cats
Data from: USA (FDA label)
Type: Antiemetic

Cerenia dose calculator

Results are calculated in your browser from the doses and strengths on this page. Check the strength printed on your pack and the label in your country before giving any dose.

Cerenia strengths and presentations

Presentation	Contains	Strength check
Cerenia injection 10 mg/mL SC / IV	Maropitant 10 mg per mL^[1]	Confirmed

Cerenia dose by species

Species	Use	Dose	Route	How often	Basis
Dogs	Acute vomiting 0.1 mL/kg.	1 mg/kg^[1]	SC (2–4 months: SC only); IV over 1–2 min or SC from 4 months	Once daily · Up to 5 consecutive days	Label
Cats	Vomiting (from 4 months) 0.1 mL/kg.	1 mg/kg^[1]	IV over 1–2 min or SC	Once daily · Up to 5 consecutive days	Label

Label directions

Dogs 2–4 months: 1 mg/kg (0.1 mL/kg) SC once daily for up to 5 days ^[1].
Dogs and cats from 4 months: 1 mg/kg IV over 1–2 minutes or SC once daily for up to 5 days ^[1].

Warnings and precautions

Bone marrow hypocellularity was seen in puppies younger than 11 weeks ^[1].
Not evaluated with gastrointestinal obstruction; use with caution with hepatic dysfunction ^[1].

About maropitant (the active ingredient)

Neurokinin-1 (NK1) receptor antagonist antiemetic.

How it works

Maropitant blocks the neurokinin 1 (NK1) receptor, stopping the binding of substance P ^[1].

Key safety points

Bone marrow hypocellularity was seen in puppies younger than 11 weeks ^[1].
Not evaluated with gastrointestinal obstruction; use with caution with hepatic dysfunction ^[1].

All about maropitant — doses by species and every brand →

Frequently asked questions

What is the Cerenia injection dose?

1 mg/kg (0.1 mL/kg) once daily for up to 5 days in dogs and cats ^[1].

Can Cerenia be given IV?

Yes, in dogs and cats from 4 months, slowly over 1–2 minutes; dogs aged 2–4 months get it SC only ^[1].

More from Zoetis

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Cerenia is a trademark of its owner. This page is an independent clinical reference and is not affiliated with Zoetis. Strengths, species and withdrawal periods can differ between countries — always follow the pack insert in your country.

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Medically reviewed by

Dr. Ravi Baraiya, B.V.Sc.

Veterinarian · Reviewed 2 Nov 2026

References

CERENIA (maropitant citrate) injection — labelDailyMed (US NLM) — FDA-approved label, Zoetis · 2026 · Product label
Passage read from this source
Each mL contains 10 mg of maropitant as maropitant citrate.
Administer CERENIA Injectable Solution subcutaneously at 1 mg/kg (0.45 mg/lb) equal to 0.1 mL/kg (0.1 mL/2.2 lb) of body weight once daily for up to 5 consecutive days.
In puppies younger than 11 weeks of age, histological evidence of bone marrow hypocellularity was observed.
CERENIA (maropitant citrate) Injectable Solution is indicated for the prevention and treatment of acute vomiting in dogs.

For veterinary professionals. Information supports — never replaces — clinical judgement; always check the current product label and local regulations.