Get an Onsior prescription for cats
Onsior for cats provides targeted relief from post-surgical pain and inflammation. Get a prescription online for just $35—no in-person vet visit needed.
- Same-day visits available
- Licensed vets in your state
- 80% cheaper than an in-person visit


How to get prescriptions online with Pawp
Pawp makes it easy to get pet prescriptions online. As a member, you can chat with a licensed vet, get your pet evaluated, and receive an Rx, all from home.
Step 1
Start your free trial with Pawp
Pawp members get 24/7 on-demand vet care and can book an Rx visit at anytime.

Step 2
Video chat with a local vet
Step 3
Get your prescription
Step 4
Shop your preferred pharmacy
What is Onsior?

Onsior is a non-steroidal anti-inflammatory drug (NSAID) used in cats to manage pain and inflammation after surgery. It’s fast-acting and specifically formulated for short-term feline use.

Why vets prescribe Onsior for cats
- Alleviates surgical pain in cats
- Reduces inflammation following procedures
- Formulated for short-term feline use
- Starts working quickly with once-daily dosing
What is Onsior used for in cats?
Post-operative care
Given after surgeries to reduce pain and swelling.
Soft tissue procedures
Used following spays, neuters, or mass removals.
Inflammation control
Targets localized inflammation to support recovery.
Short-term pain relief
Formulated for short-term use under veterinary supervision.
Safe NSAID option for cats
Specifically approved for feline pain management.
Improved mobility
Helps cats feel more comfortable and mobile post-surgery.
What Pawp members are saying
Download the Pawp app to get started
- Prescription visits
- 24/7 on-demand vet care
- Emergency Protection
- Pet health monitoring
Frequently Asked Questions
Is Onsior safe for cats?
How quickly does Onsior work in cats?
What are the side effects of Onsior in cats?
Can I get Onsior without visiting the vet?