Onsior for Cats

Inspire more movement with Onsior for Cats

Overcome the challenge of degenerative joint disease (DJD) in cats

  • DJD in cats is common and can affect all ages and breeds1,2

Packaging - Onsior for Cats

Onsior for Cats

Onsior is an effective treatment of pain and inflammation associated with DJD

  • With Onsior, cats with DJD are happier, more active and show an improved temperament

  • Well tolerated* in cats with chronic musculoskeletal disorders at the label dose of 1 mg/kg body weight per day

Onsior flavoured tablets: simple to dose and easy to give

  • Small, flavoured tablets can be given with or without a small quantity of food

Dosing table - Onsior for Cats

  • Majority of cats can be treated with just 1 tablet per day

ISFM: Easy to give logo - Onsior for Cats

Rest easy with Onsior

With simple dosing and flexible administration, Onsior can take the worry out of surgical pain relief

  • Available as an injectable and tablets, which can be used interchangeably for up to 2 days post surgery

Packaging - Onsior for Cats

Wide margin of safety in cats4

  • The safety index of robenacoxib in cats is thought to be due to its high COX-2 selectivity and short residence time in the central compartment
  • In safety studies in cats, no significant adverse events were observed with robenacoxib at doses up to 10 mg/kg

Persists at the site of inflammation5

  • Onsior persists longer and at higher concentrations at the site of inflammation than in the blood, for effective once-daily dosing
  • Onsior is rapidly eliminated from the blood

Onsior For Cats - Useful Materials

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*Studies up to 12 weeks; further treatment should be evaluated by the veterinarian.


1. Lascelles BDX, Henry 3rd JB, Brown J et al (2010) Cross-sectional study of the prevalence of radiographic degenerative joint disease in domesticated cats. Vet Surg 39(5):535–544.

2. Lascelles BDX, Robertson SA (2010) DJD-associated pain in cats: what can we do to promote patient comfort? J Feline Med Surg 12(3):200–212.

3. Stamper C (2018) Osteoarthritis in cats: a more common disease than you might expect. Available at: https://www.fda.gov/animal-veterinary/animal-health-literacy/osteoarthritis-cats-more-common-disease-you-might-expect [Accessed January 2021].

4. King JN, Hotz R, Reagan EL, et al (2012) Safety of oral robenacoxib in the cat. J Vet Pharmacol Ther 35(3):290–300.

5. Pelligand, L., King, J. N., Toutain, P. L., Elliott, J., Lees, P. Pharmacokinetic/pharmacodynamic modelling of robenacoxib in a feline tissue cage model of inflammation. J. vet. Pharmacol. Therap. 35, 19–32.

6. Metacam® Summary of Product Characteristics.


Onsior tablets for cats (6 mg) are indicated for the reduction of moderate pain and inflammation associated with orthopaedic surgery and for the treatment of pain and inflammation associated with acute or chronic musculoskeletal disorders in cats.


Onsior solution for injection for cats and dogs (20 mg) is indicated for the treatment of pain and inflammation associated with orthopaedic or soft tissue surgery in cats.


COX-2 = cyclooxygenase-2.


Onsior POM-V (UK) and POM (Ireland) contains robenacoxib.


Further information is available from the SPC. Advice should be sought from the Medicine Prescriber. Refer to the product packaging and leaflets for information about side effects, precautions, warnings and contra-indications. Contact Elanco Animal Health for further information on 01256 353131 or email elancovets@elanco.com, or write to: Elanco Animal Health, Form 2, Bartley Way, Bartley Wood Business Park, Hook, RG27 9XA.


Onsior, Elanco and the diagonal bar logo are trademarks of Elanco or its affiliates. Metacam is the trademark of Boehringer Ingelheim.


© 2021 Elanco or its affiliates. PM-IE-21-0040. Date of preparation: 03/21.


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