Vet prescription required in checkout

Prinovox Spot On Extra Large Dog (Over 25kg)

You save 39%
Vet prescription required in checkout
You save 39%

Prinovox Spot On Extra Large Dog (Over 25kg)

Prinovox is a broad spectrum parasiticide for the treatment and prevention of lungworm, fleas and also for lice, mites, heartworm and roundworms.
Standard Retail Price £55.36
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  • Delivery Info
  • Service Reviews (67845)

Prinovox Spot On Extra Large Dog (Over 25kg) 

Prinovox Spot-On Solution for Extra Large Dogs is for use in large breed dogs weighing over 25kg.

It is available in 4 pipettes.

Each 4.0ml pipette contains as active ingredients: Imidacloprid (400mg) and Moxidectin (100mg).

Do not use in puppies under 7 weeks of age.


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 (67845)
Independent Customer Feedback

Prinovox Spot On Extra Large Dog (Over 25kg)

4.9/ 5
(67845 customer reviews)
  1. 5
    "Excellent service ....better price ..can recommend ! and I will certainly continue to put business their way . Thankyou"
    Review by David Outram / (Posted on
  2. 5
    "Very good
    Fast delivery"
    Review by / (Posted on
  3. 4
    "Good and prompt service, although the courier service last Christmas was very disappointing and meant I had to get emergency medication from my vet (expensive).
    Usually some of the Amodip packaging is damaged when it arrives, so packing the blister packs back to back would help I feel."
    Review by / (Posted on
  4. 5
    "5 star!! Quick and easy process!!"
    Review by kerri Jones / (Posted on
  5. 5
    "Well priced, arrived as expected, good service"
    Review by / (Posted on
View all 67845 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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