Onsior for Cats (Rx)

  • Prescription
  • Cats
Onsior for Cats (Rx)

Why our vets recommend it

Onsior for Cats reduces pain and inflammation caused by orthopedic surgery, spaying, neutering, and arthritis in a small, easy-to-give flavored tablet.

Total Price


($11.92 / unit)

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Medication information

What is Onsior for Cats?

Onsior for Cats is a non-steroidal anti-inflammatory drug (NSAID) that relieves pain and reduces inflammation associated with orthopedic and soft tissue surgery. It’s also used off-label for osteoarthritis (arthritis).

What does Onsior for Cats treat?

Onsior for Cats is used to treat pain and inflammation caused by:

  • Orthopedic surgery, spaying, or neutering
  • Arthritis (off-label)

How is Onsior for Cats given?

Onsior for Cats is a small, flavored tablet that’s given orally. Follow the instructions given by your vet.

Who is Onsior for Cats for?

Cats weighing 5.5 lbs or more and 4 months of age or older

What are the active ingredients of Onsior for Cats?


What are the possible side effects of Onsior for Cats?

For oral use in cats ≥ 5.5 lbs and ≥ 4 months of age only. The most common side effects are decreased appetite, depression, vomiting, elevated BUN, elevated creatinine, and kidney issues.

How Dutch works

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  • 2

    Video chat with a vet today

    Pick a time and get care from a licensed vet from home.

  • 3

    Get prescriptions shipped free

    Your vet will customize a treatment plan to help your pet and we’ll ship it to you.

  • 4

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    Ask follow-up questions and get care for other health issues quickly online.

Annual members save $650 a year vs. other vets

  • Time to
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  • Unlimited care
    for up to 5 pets

  • 24/7 video calls
    & messaging

  • Medication savings

  • Total annual savings

  • Less than 24 hours

  • FREE

  • Yes

  • Yes

  • 25% OFF

  • Save $650

other vets

  • 2 weeks

  • $100

  • No

  • No

  • No

  • $0