Vet prescription required in checkout

Onsior For Cats 6mg

You save 69%
Vet prescription required in checkout
You save 69%

Onsior For Cats 6mg

Onsior for Cats is for the treatment of acute pain and inflammation associated with musculo-skeletal disorders.
Standard Retail Price £1.24
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  • Details
  • Instructions
  • Delivery Info
  • Service Reviews (56433)

Onsior for Cats

Onsior for Cats is for the treatment of acute pain and inflammation associated with musculo-skeletal disorders in cats.

It is supplied in individual 6mg tablets or packs of 30.

Onsior for cats is a prescription item and will be sent once a valid prescription is received. Please follow the instructions given by your vet.


If you see the "prescription required" sign next to an item you’d like to order, it means the item can only be issued with a prescription. While you can add these items to your shopping cart and pay for them along with other non-prescription products, we can’t dispatch them until we’ve received a prescription.

Delivery Info

Light (usually non-food) orders under £29 are charged £2.99 postage. Heavy (typically food) orders under £29 are charged £4.49 postage.

For Light items (under 2kg) our standard method is Royal Mail Second Class (there are a few exceptions, so if in doubt check our Delivery page).

To get it faster you can upgrade Light items to Royal Mail 1st Class or a Guaranteed Next Day Courier service, Saturday Courier or even before 12 noon services. There's a small fee, but if you're in a hurry they are worth considering. To qualify for next working day delivery, orders must be placed before 12 Noon Monday to Thursday. There is no standard Saturday courier delivery.

Heavy items weighing 2kg and more are sent via courier. If ordered before noon Monday to Thursday, Heavy items will be delivered next working day. Heavy items ordered after 12 Noon Friday, or anytime Saturday and Sunday will dispatched on Monday for a Tuesday delivery.

Please note that if you are purchasing a mix of Light and Heavy items at the same time, these will be sent separately. The Heavy items being sent by Courier, the Light items by Royal Mail Second Class.

Refrigerated items are only despatched by courier Monday to Thursday to ensure the item remains cool.

All exceptions to these guidelines are noted in the product description.

For more information, view our Delivery page.

Service Reviews (56433)
Independent Customer Feedback

Onsior For Cats 6mg

4.9/ 5
(56433 customer reviews)
  1. 5
    "Delivered in a few days. Easy to upload pescription."
    Review by / (Posted on
  2. 5
    "Easy to use, quick delivery and great prices, will be using again, and have recommended to friends and family. Excellent."
    Review by / (Posted on
  3. 5
    "I am very new to technology and the assistant was very helpful and patient and assisted me every step of the way."
    Review by / (Posted on
  4. 5
    "Cheaper than others. Very prompt with delivery."
    Review by / (Posted on
  5. 5
    "Trustworthy, top quality and well delivered whether normal or refrigerated delivery"
    Review by / (Posted on
View all 56433 customer reviews

Vet prescription required in checkout

  1. Get a prescription from your vet
  2. Place your order with us
  3. Add a prescription and tell us about your pet.
  4. Our vets will double check your order & your order is dispatched right away
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