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Interceptor Plus Chewable Tablets for Dogs

By Interceptor
(1,081 reviews)
Veterinary Diet Item
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Interceptor Plus Chewable Tablets for Dogs

By Interceptor
$91.10
One-time purchase
$71.10 AutoShip & Save up to 40%
Availability:
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Weight and Color: 50.1-100 lbs Dogs Blue
Month Supply: 6 Month Supply
Weight and Color: 50.1-100 lbs Dogs Blue
Month Supply: 6 Month Supply
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Product Overview

Interceptor Plus is a chewable tablet for dogs. This broad spectrum parasiticide is used for the prevention of heartworm infections & disease and the treatment and control of adult roundworm, hookworm, whipworm, and tapeworm infections in dogs. It can also prevent flea tapeworm infections in both adult dogs and puppies when given monthly doses.
Interceptor® Plus (milbemycin oxime/praziquantel) provides 5-worm protection in a tasty monthly chew.
Interceptor Plus is intended for use in dogs and puppies weighing at least two pounds and at least six weeks of age or older.
Interceptor Plus chewable tablets should be administered to dogs once a month as the sole preventative of intestinal parasites and heartworm. These tablets are easy to administer and protect dogs against the five major worms including: heartworms, tapeworms, hookworms, roundworms, and whipworms.
Interceptor Plus eliminates whipworm (Trichuris vulpis), roundworms (Toxascaris leonina, Toxocara canis) adult stage hookworm (Ancylostoma caninum), and the tissue stage of heartworm larvae and infestations when given in the correct dosage and when given orally.
Interference with invertebrate neurotransmission is thought to be the cause of the anthelmintic activity of milbemycin oxime.
Possible side effects of Interceptor Plus include:
  • vomiting
  • diarrhea
  • depression and lethargy
  • ataxia
  • weight loss
  • convulsions
  • excessive salivation
Contact your veterinarian if your dog experiences any of these symptoms.
Milbemycin Oxime / Praziquantel
Contact your closest emergency pet hospital.
Keep away from children. This medication has not been tested or evaluated in the use of breeding or lactating females.
Interceptor Plus is sold in 3 , 6, or 12 month supplies in color coded boxes that correspond to your dog's weight.
  • Orange 2-8 lbs
  • Green 8.1-25 lbs
  • Yellow 25.1-50 lbs
  • Blue 50.1-100 lbs
Elanco
Interceptor Plus should be administered orally, once every month, at the minimum dosage of 0.23 mg/lb (0.5 mg/kg) milbemycin oxime, and 2.28 mg/lb (5 mg/kg) praziquantel. For heartworm prevention, give a tablet to your dog once monthly for at least 6 months after exposure to mosquitoes.

Interceptor Plus Dosage for Dogs According to Weight

Dogs's Weight   /  Amount
2 - 8 lbs       /        One tablet of Interceptor Plus Orange monthly
8.1 - 25 lbs  /        One tablet of Interceptor Plus Green monthly
25.1 - 50 lbs /       One tablet of Interceptor Plus Yellow monthly
50.1 - 100 lbs /     One Tablet of Interceptor Plus Blue monthly
Over 100 lbs /      Talk to your veterinarian to determine the correct dosage of Interceptor Plus tablets for your dog's weight
Interceptor Plus chewable tablets contain the active ingredients milbemycin oxime / and praziquantel.





About This Product

Customer Reviews

4.9
1,081 reviews
5 1016
4 54
3 0
2 0
1 11
Customer review photo
Joyce K Verified Purchase
October 14, 2026

Interceptor Plus

I like that is takes care of more types of worms. I have been using it on all my dogs since it became available.

Deborah C Verified Purchase
September 15, 2026

Interceptor plus for dogs heartworm chewable

Since my dog has multiple health issues, I feel Interceptor plus for dogs is the safest heartworm prevention on the market And it has been effective for 13 years. And in a rural area that says a lot about a product

DONNA M Verified Purchase
September 14, 2026

Great product

I've been using this product for many years with all my Doberkids I'm on # 36 😆 🤣 I highly recommend this product

Christel R Verified Purchase
September 1, 2026

Works great for all our dogs!

We have been using this on all our animals since they were little pups...it has always kept them safe from heartwork or parasites. Thank you.

Simone T Verified Purchase
September 1, 2026

Great experience!

Catherine F Verified Purchase
August 28, 2026

Had to call and customer service tech was very helpful and professional. We appreciate that kind of service.

Did not make our pups sick like ones used in the past with our 207 pound mastiff.

DONNA M Verified Purchase
August 27, 2026

IT WORKS WELL

Sandra B Verified Purchase
August 14, 2026

Interceptor Plus as HW preventative

Interceptor Plus comes as a tab that my dogs take readily. We are confident that they are protected from HW infestation.

Nicole D Verified Purchase
August 10, 2026

works very well

Meade B Verified Purchase
August 7, 2026

Interceptor Plus for Dogs

This medicine works just as it is supposed to, as my dog has not had heartworm issues.

Cynthia B Verified Purchase
April 13, 2026

Good Product

I have had my dogs on Interceptor for several years without a problem. The chewables are in a pillow form and firm which I sometimes have to break in half for my dogs to eat. I would recomend this product do to the fact that my dogs have been heartworm free.

Natalie D Verified Purchase
November 30, 2025

I have used Interceptor Plus for all of my dogs for many,many years. Trusted product. Great pricing and quick shipping from Allivet.

Penny S Verified Purchase
November 4, 2025

Excellent product! Allivet provides great service!!

Both of my dogs have been taking Interceptor Plus for the last 12 years. My mini Schnauzer had problems with other brands of heartworm medicine so I tried Interceptor. He had no issues with Interceptor and neither did my mixed female. Great product!!!!

Jennifer W Verified Purchase
October 3, 2025

Easy to administer, dogs like it

I have been giving my dogs Interceptor plus for years. I live in an area where heartworm infections are high. Interceptor plus gives me the assurance that my dogs will remain heartworm free as well as free from other parasites.

Michael A Verified Purchase
June 8, 2025

My dog hasn't gotten worms so I guess it works. And it doesn't make him sick. However, they must not taste very good because he loves treats but won't eat these. I have mash them up and mix them with peanut butter.

Jerry A Verified Purchase
November 21, 2024

Good product

We have been giving our dogs Interceptor Plus for years. They do well with no side effects. The order came quickly once they got my account right. There was an issue on the website trying to get the pet and vet correct. That part was frustrating.

Jessica D Verified Purchase
September 13, 2024

Works great plus my dogs eat it without issue. Just a reminder you must treat up to 6 months after last mosquito …not just during months when there are mosquitoes

JoLene M Verified Purchase
August 16, 2024

I use this product because she is of a Scotch Collie breed who may carry; MDR1 The MDR1 (multidrug resistance 1) gene mutation & I have used Allivet for my Chichi Pilon. They are always great! Thank you 😊

Tim B Verified Purchase
August 5, 2024

Works where other preventatives have not. Easy to administer chews that the puppy just eats up.

Barbara L Verified Purchase
July 26, 2024

My 3 dog have been using Interceptor Plus for many, many years - they eat it as if it's a treat, don't have any reactions to it, and most importantly, it keeps them protected from heart worms!!

Melissa A
June 28, 2024

Great product! I've always used this preventative for ALL my dogs as it is reliable and cost effective. Has kept intestinal parasites away and HW dz.

Dianna D Verified Purchase
June 1, 2024

I give my dog this medication to prevent heartworms. He went to the vet today and all is well. He is 16 years old so this medication works!

Cindy P
January 13, 2024

We have used Interceptor Plus for several years based on our veterinarian's recommendation. We live in an area with lots of wildlife so the protection provided by this product is necessary.

Brandy W Verified Purchase
October 10, 2023

I have been using Interceptor Plus for years for my dogs and it works great. Never had an issue and it keeps my dogs healthy.

Jan w Verified Purchase
August 5, 2023

My dogs have used interceptor Plus for over 9 years. All are dogs for the past 30 years have successfully used this product

Beth S Verified Purchase
April 25, 2023

My Chihuahua weighs 4.3 pounds. It is difficult to find a heart guard for a tiny dog. This works great!

Paula B
January 6, 2023

I have been issuing Interceptor Plus for a few years now on my dogs. I love that it takes care of all types of worms, not just heart worms. We get fleas from time to time, which can lead to tape worms and this is one of the few products that address tape as well as heart worms, round worms, whip worms, etc. I have tried products that also kill fleas but they made my dog sick so I can’t use them. We have not had an issue with Interceptor Plus causing illness. Allivet is my choice for heartworm medication because they are competitive in price, delivery is quick, and the expiration date is always far past the point I would be giving the medicine. Win-win!

Nancy N
November 18, 2022

I've been with allivet a couple years now, and when I've talked to them on the phone they're very helpful and very kind. I do like the product interceptor, I give it to my 9-year-old Pekingese with her food, and she does fine.

NORA P
November 11, 2022

I have been using Interceptor Plus for 15 years. Keeps my pups protected from both heart worms as well as intestinal parasites.

Jackie R
November 7, 2022

Interceptor Plus is extremely effective in protecting my three pups.

Steven h
November 3, 2022

I love allivet’s pricing and free shipping. I order all my pet medicines from allivet.

Terry B
November 3, 2022

I’ve been very pleased with the Interceptor Plus . I feel like it’s giving my pup good coverage and she hasn't had any adverse effects. Great prices and customer service with Allivet.

Terry C Verified Purchase
October 21, 2022

Covers all my dogs needs! Works great. We camp a great deal in many different places and feel confident, plus the price is right. Service is by far better than anything we have experienced from other sources.

Carolyn F Verified Purchase
October 20, 2022

My dogs have been on this medication for 6 yrs. and Allivet has the best price.

Judith C
October 17, 2022

Excellent product. Have used for years on our German Shepherds.

KENNETH M
October 13, 2022

There are several Heart-Worm medicines on the market, but Interceptor Plus seems to be the most comprehensive. We have been using it now for over 6 years with no problems. Allivet seems to have the best price and they will contact the vet for the prescription. The prescription has always been filled within 2-3 days.

Donna
October 3, 2022

This product is the best on the market, includes tapeworm meds as well. Great price, best I could find online. Quick delivery.

Ruth
September 30, 2022

I assume the product works well, but what I really like is the convience and cost of the product. I am reminded when an order is due; my vet is contacted for refill, and the order is shipped at no extra charge. Easy peesy!! Oh, did I mention there is a large cost savings by ordering from Allivet, also?

Elizabeth M
September 29, 2022

Purchasing from Allivet is convenient, fast and easy. Amazing customer service, always willing to accommodate my needs and products are always available.

Melody B Verified Purchase
August 29, 2022

Great

Margaret M Verified Purchase
August 26, 2022

Great service, great product!

Harold E Verified Purchase
July 20, 2022

Have to hid pill in food, but the medication performs very well.

Alexandra B Verified Purchase
July 7, 2022

I have been using interceptor plus chewable with my huskies since they were puppies. I love knowing that I don't have to worry about them getting the full dose of medication.

Andrea C Verified Purchase
June 18, 2022

Allivet has the best prices on prescription medications for dogs

Denise B Verified Purchase
June 8, 2022

Has worked for my little chihuahuas...their Dr. Put them on this at 8-12 weeks old

STEVEN K Verified Purchase
May 23, 2022

good options offered per quantity, auto-ship etc.

Mickey R Verified Purchase
May 20, 2022

Great product at the best price you’ll find, period. Friendly customer service, fast shipping, easy to use site honestly I can’t speak highly enough of Allivet. I honestly tell all my friends that have fur babies, that this is a must for them. So, if you love your pets and wanna save time and money on needs that your babes need Allivet is for you

Cynthia F Verified Purchase
March 31, 2022

Prices are excellent!

Barbara F Verified Purchase
March 14, 2022

Preventing heartworms is important to save a dog's life!

Carolyn L Verified Purchase
March 14, 2022

I have a new puppy that is 4 months old now. Her vet gave us a sample of this med for her fist dose. Based on my research, I want to continue using this medication for protection against heartworms. Knowing that my dog's weight will be changing as she grows this was best price for my needs at this time.

Pamela L Verified Purchase
February 28, 2022

Product works great and much cheaper than anything else.

JOAN M Verified Purchase
February 28, 2022

Best price for elderly on ss.

Dyan R Verified Purchase
February 24, 2022

Try many other heart guard preventions and all have made her sick. This works great for our pet

Diane K Verified Purchase
February 19, 2022

fast shipper, good price, nice to order from

Kate J Verified Purchase
February 14, 2022

Using Allivet for my pup's medicine is easy and inexpensive! The chews come in the mail, and you can set how many you need as well as how often.

Stephen K Verified Purchase
February 11, 2022

Great product, used for years

Carl L Verified Purchase
January 29, 2022

Great place to buy your pet medications.

Faith C Verified Purchase
January 29, 2022

Allover consistently offers the best prices on the prescription medications we need for our three dogs. Go Allover!

Doris R Verified Purchase
January 25, 2022

Great products, Allivet contacts vet, which makes it easier for me. Fast service and good prices.

Larisa S Verified Purchase
January 25, 2022

To save money. At my dog's vet. clinic 6 month supply cost $75. It is so unfair!!!!!

Stacey K Verified Purchase
January 25, 2022

Fast and easy for the best price!

Christopher G Verified Purchase
January 25, 2022

My vet has an online pharmacy and wouldn’t allow me to buy a 12 month supply that was discounted by 50%. Only would allow a 6 month supply with no discount so I looked for a cheaper option. With Allivet I was able to get the 6 month supply at nearly 50% less than what my vet was charging. Easy process and great discount!

Ruth B Verified Purchase
January 25, 2022

Excellent pricing. Great service.

Robert W Verified Purchase
January 25, 2022

The dr. said it was better then the sentinel I was using

Anna W Verified Purchase
January 11, 2022

My dogs are well protected with Interceptor Plus, and they like it too. We have not had any issues with our dogs for so many years of taking this. Our vet recommended it time and time again.

Jane H Verified Purchase
December 14, 2021

Excellent product

Colleen G Verified Purchase
December 14, 2021

My dog loves getting her monthly Interceptor, she thinks it's a treat and eagerly gobbles it up. She's been using Interceptor for years and remains happy and healhty.

Cassie P Verified Purchase
December 8, 2021

This website saved me $10.00+ with promo codes and discounts, not much, but enough to make me order and have it shipped instead of driving to my vets office 😀

Joanna e Verified Purchase
December 8, 2021

it covers all the preventative for my dog's needs and the price is very reasonable for us seniors dog parents

Julia P Verified Purchase
November 22, 2021

Vet recommended & Allivet to the rescue. Love the auto ship to keep our pup on track with all his meds.

Vivian M Verified Purchase
November 17, 2021

I have been using this product on my two dogs for over 5 years now. Works great with no issues.

ANDREA K Verified Purchase
November 8, 2021

Very happy. It does the job

Lee T Verified Purchase
November 3, 2021

My germ shep was on this for the last three years. She got heart worms and the manufacturer of the product did nothing for us. Stay away from this, it does not work.

Virginia S Verified Purchase
November 3, 2021

I tried other products that did not work. I live in a wooded area and this works just great for my dog.

Kathy M Verified Purchase
October 27, 2021

My dog enjoys these every month and they seem to be working well.

Charity W Verified Purchase
October 27, 2021

Love these. We have never had any health issues with our 9 Month old Great Pyrenees/Poodle Mix. She doesn't like the taste of the Inceptor so we have to hide it in a peanut butter and dog biscuit sandwich. But once she takes it she doesn't have any issues with it. We've been ordering through Allivet for almost 6 months now. They have been great to worj wutg even when we haver had ussyue with our Vet. Allivet has always gone above and beyond to help us keep our furry baby healthy as can be.

Renee M Verified Purchase
October 25, 2021

With the promotion today, we got a 12 month supply of Interceptor Plus for just a little more than our regular vet clinic charges for a 6 month supply. Allivet is now my go-to vet pharmacy, Great find!

Susan B Verified Purchase
October 15, 2021

My dogs love the taste of these. In addition, not only is it for Heartworm but it controls all other varieties of worms and DOES NOT CONTAIN IVERMECTIN which is very deadly to many dogs. I have used it for years with NO side effects and NO worms. I LOVE IT!!

Jana C Verified Purchase
October 15, 2021

Allivet is the way to go for all your pet meds!! The best prices and best customer service!

Karen B Verified Purchase
October 7, 2021

Easy to order! Super fast delivery. Excellent service!

Lisa A Verified Purchase
October 6, 2021

On recommendation from my Vet, for 122lb. Rottweiler fostered, this has been been very helpful for keeping him healthy, thank you!

Emily A Verified Purchase
October 6, 2021

Great Service!! Thank you for keeping my fur baby heathy!☺️

Cathy C Verified Purchase
September 23, 2021

I’ve been using this product for years with wonderful results!

Cheryl C Verified Purchase
September 7, 2021

Dog enjoys and is a perfect way for him to stay healthy. He turned 4 yrs old 6 months ago. The auto-shipment is effortless and they even contact the vet in our behalf. Plus the price is the lowest guaranteed.

Marie M Verified Purchase
August 26, 2021

Super convenient and more reasonable than the vet

Peggy K Verified Purchase
August 23, 2021

recommended by vet

Roseann A Verified Purchase
August 23, 2021

Because it's not as bad as the others for my dogs

Darcy G Verified Purchase
August 23, 2021

Best prices! Friendly customer service! I’ll order again. 😃

Ann M Verified Purchase
August 16, 2021

great

Delphine M Verified Purchase
August 15, 2021

All Jaxi's heartworm tests are clear.

Delphine M Verified Purchase
August 15, 2021

All Jaxi's heartworm tests are clear.

Kim D Verified Purchase
August 15, 2021

Allivet has great prices and options.

Marsha Z Verified Purchase
August 12, 2021

Interceptor Plus Chewable tablets was recommended by the vet. Usually, my dog hates taking medication, but she liked the taste of these.

Renata V Verified Purchase
August 12, 2021

Love the product and the delivery is always great.

Gina P Verified Purchase
August 11, 2021

I have been using it for the last 16 years for all my dogs

Ethel C Verified Purchase
August 2, 2021

safe heartworm prevention at a reasonable price !

Betsy G Verified Purchase
August 2, 2021

Great product and price.

Lori L Verified Purchase
August 2, 2021

Great service

Rona c Verified Purchase
July 29, 2021

Great prices - fast shipping

Christine B Verified Purchase
July 23, 2021

Easy and convenient heart worm prevention with additional dewormer. Switched from TriHeart because of this added feature. My dogs get into a lot of things in our backyard, and I feel a monthly dewormer (rather than the 2x at the vet per year) was more appropriate. Flavor works for 2 of my 3 dogs. Price is competitive to other heart worm preventions.

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