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Comfortis Plus

4.6 / 5
Reviews: 149
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Comfortis Plus Flea, heartworm, worming Tablets For Dogs

Shipping Fee

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Standard shipping charges based on the product weight and shipping location shall be applicable to these products.

The shipping fees will be calculated before checkout

Goods Returned to Sender

In cases where goods are returned to the sender, such as non-collection, incorrect address, refusal, or carrier error, no restocking fee will be applied. The shipping charges for your order will be refunded only if VetSupply or the carrier is responsible for non-delivery.

Change of Mind Returns

Change of mind returns will be subject to a 10% restocking fee, and the shipping portion of your order is non-refundable.

We understand that returning a product can be frustrating, but we are unable to accept returns for change of mind under the following circumstances:

  • The product has been removed from its original packaging.
  • Labels or seals on the product have been tampered with or removed.
  • The product has clear signs of use, damage, or is soiled.
  • The product contains food or medication.
  • The end customer received the product more than 14 days ago.

Damaged or Incorrect Goods

Any goods that are sent incorrectly or arrive damaged will be replaced at VetSupply's expense. We will uphold our warranty obligations as defined under Australian consumer law. Please contact us regarding any warranty claims, and we will arrange pickup and replacement of the product in accordance with the manufacturer's warranty conditions.

We cannot accept warranty returns for pet accessories that have been damaged by an animal unless a manufacturing fault can be identified with the product. Such claims will be forwarded to the product manufacturer for investigation before accepting a return or replacement.

Returning a Product

Prior to initiating a change of mind return, please contact VetSupply. Goods should be sent to the following address:

Returns, 1/106-108, Station Road, Seven Hills, NSW 2147

Customers are responsible for the shipping costs associated with returning goods, except in cases where VetSupply has agreed to cover return postage costs due to an error on our part. Please note that VetSupply assumes no responsibility for loss or damage during the return transit.

Product refunds will be credited to the original payment method used for the purchase.

Cancelling an Order

Please get in touch with us promptly if you need to cancel an order, as orders cannot be refunded once they have been dispatched from our warehouse.

Comfortis Plus treats fleas and flea infestation in dogs and puppies. The chew also treats worms as well as controls heartworms. The unique beef flavoured chewable is easy to administer in dogs. Comfortis is highly effective and treats 98% of fleas within 4 hours of administration. Its fast acting formula starts killing fleas in only 30 minutes and also prevents re infestation. Comfortis Plus, when given monthly, prevents heartworm infection in dogs. Moreover, it controls Flea Allergy Dermatitis and protects dogs against other flea infested diseases.

How does it work?

Spinosad and Milbemycin oxime are the active ingredients in Comfortis Plus. Spinosad ingredient is from spinosyns class of insecticides that are non-antibacterial tetracyclic macrolides. Spinosad attacks the neurons which causes involuntary muscle contractions and eventually leads to paralysis. Hence, all the fleas are destroyed. It also prevents flea re-infestation in dogs and puppies. The other ingredient Milbemycin oxime works on intestinal worms and immature heartworms. Thus, it eliminates these parasites and protects dogs against harmful heartworm and common worm infections.

From the Manufacturer
Comfortis Plus Spinosad and milbemycin oxime
Fast-acting, reliable flea control
  • Starts killing fleas in just 30 minutes
  • Prevents deadly heartworm disease
  • Treats and controls adult hookworm, roundworm, and whipworm infections

Comfortis PLUS provides 3-in-1 parasite protection for your dog, with protection against fleas, heartworm and intestinal worms (excluding tapeworm). The treatment is suitable for dogs with flea allergy dermatitis and will provide fast-acting flea protection for the entire month. As a tablet, there are no restrictions with regards to your dog swimming or being washed, and it won't rub off on your furniture.

Important Information
  • Read product leaflet for full instructions
  • For use in dogs from 8 weeks of age and 2.3 kg
  • Comfortis PLUS should be administered with food for maximum effectiveness
  • Seek veterinary advice regarding the use of Comfortis PLUS in pregnant and lactating females, breeding males, and in dogs with pre-existing epilepsy
  • Concurrent use of Comfortis PLUS with high off-label doses of ivermectin is not recommended
  • Before starting Comfortis PLUS, you should have your veterinarian confirm that your dog does not have heartworm
  • The following adverse events have been recorded following administration of spinosad and milbemycin together: vomiting, pruritus, lethargy and diarrhoea
  • In some animals, Comfortis PLUS may be associated with vomiting. If vomiting occurs within an hour of administration, re-dose with another full dose.
Directions for Use

Comfortis PLUS should be administered monthly with food for maximum effectiveness.

Comfortis PLUS pack for dogs weighing Tablet strength Dose
2.3 – 4.5 kg 140 mg / 2.3 mg 1 tablet
4.6 – 9 kg 270 mg / 4.5 mg 1 tablet
9.1 – 18 kg 560 mg / 9.3 mg 1 tablet
18.1 – 27 kg 810 mg / 13.5 mg 1 tablet
27.1 – 54 kg 1620 mg / 27 mg 1 tablet

Dogs over 54 kg should be dosed with the appropriate combination of tablets.

  • Dosage depends on dog weight.
  • Administer it directly into the mouth or mix it with food.
  • Ensure the dog finishes the whole food for complete dosage.
  • An advanced treatment for fleas and worms
  • Provides protection against heartworms
  • Starts killing flea in just 30 minutes
  • Helps to treat and prevent flea infestation
  • Aids in the control of flea allergy dermatitis
  • Treats and prevents hookworms, roundworms and whipworms
  • Tasty chews easy to dose
  • For use in dogs only.
  • Keep out of reach of children and pets.
  • Read safety directions.
  • For animal treatment only.
  • Store it in a cool and dry place.
  • Should not be given to puppies less than 8 weeks of age.


  • No possible side effects of using this product.
Target species Dogs
Mode of administration Oral
Active Ingredients Spinosad, Milbemycin Oxime
Manufacturer Elanco
Brand Name Comfortis

APVMA Approval Number

Comfortis Plus Chewable Tablets For XSmall Dogs 2.3-4.5kg (Pink) 65208/108403
Comfortis Plus Chewable Tablets For Small Dogs 4.6-9kg (Orange) 65208/108403
Comfortis Plus Chewable Tablets For Medium Dogs 9.1-18kg (Green) 65204/108401
Comfortis Plus Chewable Tablets For Large Dogs 18.1-27kg (Blue) 65203/108399
Comfortis Plus Chewable Tablets For XLarge Dogs 27.1-54kg (Brown) 65205/108398
Please Note:

1. Free dose offer is available till stocks last.

2. VetSupply reserves the right to modify/end free dose offer anytime without prior notice.

3. Returns addressing concerns with free doses will not be subjected to an acceptance/refund.

Product Reviews
Reviews: 149
5 Star 4 Star 3 Star 2 Star 1 Star

Loved it

I've ordered them twice


Bought it

I have just ordered it, hope it does well


Liked it

Do you still carry them?


Great treatment

Loved the way it worked


Will buy again

It is effective in treating flea infection

Have A Question?
Q: I have a question regarding Comfortis - can you advise if the comfortis for small dogs has the identical ingredients to the comfortis for cats used to have. (I am aware that your company does not advise the use of dog products on cats- my question is only about the constituents - thanks so much!

A: Yes, Comfortis for Small Dogs and Comfortis for cats have the same ingredient and that is spinosad. However, the strength of these doses is different. Comfortis for Small Dogs 4.6-9kg (Orange) contains 270mg of active ingredient (spinosad), whereas Comfortis for cats come in three different strengths. i.e. 240mg, 270mg, and 560mg.

By, on Sep 08, 2023
Q: Does this kill stick fast fleas on dogs and is it safe for pregnant bitches

A: Comfortis Plus starts killing fleas within just 30 minutes. The safe use of Comfortis Plus in breeding, pregnant or lactating cats and dogs has not been evaluated.

By, on Jun 26, 2023
Q: Hi cab I use Comfortis on my cats?

A: It is not recommended to use any product intended for dogs on cats. However, you can check other alternatives such as; Advantage (fleas only), Advocate (fleas and worms), Bravecto Plus (fleas, ticks, and worms).

By, on Feb 22, 2023
Q: Can comfortis plus be swallowed whole without chewing first

A: COMFORTIS PLUS may be offered in food or administered like other tablet medications, in conjunction with a meal. For maximum effectiveness, it is recommended to be administered with food.

By, on Jul 20, 2022
Q: Can comfortis plus be used on cats?

A: It is not advisable to use any product indicated for dogs on cats.

By, on Jul 08, 2022
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