Product details
Interceptor (milbemycin oxime) Flavor Tabs prevent heartworm disease, control adult hookworms, and remove and control adult roundworm and whipworm infections in dogs and puppies.
Interceptor also prevents heartworm disease and removes adult roundworms and hookworms in cats and kittens.
These monthly, chewable tablets are safe and effective for dogs and puppies as young as 4 weeks of age and 2 pounds of body weight or greater, and cats and kittens as young as 6 weeks of age and 1.5 pounds of body weight or greater.
- Protect your dog or cat against the most common types of worm infections, including heartworm disease and hookworms
- Controls and removes roundworms and whipworms in dogs
- Removes hookworms and roundworms in cats
- Single monthly tasty flavor tab for easy administration
- Available in different dosing sizes, making it easier to treat dogs and cats of different sizes with one chewable tablet
Product sourced directly from the manufacturer or their approved distributor. Guaranteed genuine product backed by the manufacturer.
For
Dogs (4 weeks of age and older) and Cats (6 weeks of age and older)
Active ingredient(s)
Milbemycin oxime
Inactive ingredients
Complete inactive ingredients list not provided by manufacturer.
Brand name
Interceptor Flavor Tabs
Drug class
Milbemycin antiparasitic
Product flavoring
Interceptor Flavor Tabs are “beef” flavored.
*Contains pork, hydrolyzed soy (does not contain actual beef)
Manufacturer
Elanco
Product strength & size
| Package color | Weight Range | Milbemycin oxime (per tablet) |
|---|---|---|
| Brown | Dogs 2 to 10 lbs. | 2.3 mg |
| Green |
Dogs 11 to 25 lbs.
Cats 1.5 to 6 lbs.
| 5.75 mg |
| Yellow |
Dogs 26 to 50 lbs.
Cats 6.1 to 12 lbs.
| 11.5 mg |
| White |
Dogs 51 to 100* lbs.
Cats 12.1 to 25* lbs.
| 23 mg |
*For dogs over 100 lbs. or cats over 25 lbs., administer the appropriate combination of tablets to cover your pet’s body weight.
Usage
*For complete product information, please review the full prescribing information in the manufacturer package insert.
Interceptor Flavor Tabs should be given orally at monthly intervals year-round, or as otherwise directed by your veterinarian.
Manufacturer Dosage and Administration:
Step 1. Remove one tasty flavor tab from its packaging. Check to make sure that the flavor tab has not expired and remove from packaging.
Step 2. Administer chewable. Your dog or cat can take the flavor tab from your hand or with a small amount of food. Just make sure they consume the whole dose.
Step 3. Check for complete ingestion. After your dog or cat has taken the chewable, observe your pet to ensure that no part of the dose is lost or rejected. If you suspect that any of the dose has been lost, redosing is recommended.
INTERCEPTOR must be administered monthly, preferably on the same date each month. The first dose should be administered within one month of your pet's first exposure to mosquitoes and monthly thereafter until the end of the mosquito season.
For dogs:
INTERCEPTOR for Dogs is given orally, once a month, at the recommended minimum dosage rate of 0.23 mg milbemycin oxime per pound of body weight (0.5 mg/kg).
INTERCEPTOR is palatable and most dogs will consume the tablet willingly when offered by the owner. The tablet may also be offered in food. Watch the dog closely following dosing to be sure the entire dose has been consumed.
For cats:
INTERCEPTOR for Cats is given orally, once a month, at the recommended minimum dosage rate of 0.9 mg milbemycin oxime per pound of body weight (2 mg/kg).
INTERCEPTOR for Cats is palatable and may be offered by the owner as a treat. The tablet may also be offered in food and can be broken for ease of administration. Watch the cat closely following dosing to be sure the entire dose has been consumed.
Missed doses
If a dose is missed: give Interceptor immediately to resume the monthly dosing schedule and notify your veterinarian. Do not give two doses at once.
If multiple doses have been missed, consult your veterinarian prior to restarting the monthly dosing schedule.
Storage
Store in a cool, dry place at a controlled room temperature between 59 and 77°F. Keep out of the reach of children and pets. Tablets should remain sealed in their original packaging to protect them from light and should only be taken out of the blister pack at the time of dosing. Store away from heat and direct sunlight.
Do not store in the bathroom, near the kitchen sink, or in damp places. The medicine may break down if exposed to heat or moisture.
Side effects
Interceptor is generally well tolerated, and side effects are considered uncommon when given at the recommended dosage.
The following adverse effects have been reported in a small percentage of treated dogs following the use of Interceptor: depression/lethargy, vomiting, ataxia (decreased coordination), anorexia (decreased appetite), diarrhea, convulsions, weakness, and hypersalivation (drooling).
Contact your veterinarian immediately if your pet experiences a shock-like reaction, excessive drooling, seizures, extreme weakness or collapse, dilated pupils, or decreased coordination (e.g., stumbling, difficulty walking).
Notify your veterinarian if your pet experiences any of the effects described above, or if you notice any other side effects that are persistent or troublesome.
If you notice anything unusual, please consult your veterinarian.
Precautions
*For complete product information including warnings and precautions, please refer to the manufacturer package insert.
For use in dogs and cats only- not for use in humans.
Dogs and cats should be tested for existing heartworm infections prior to use. Infected dogs should be treated to remove adult heartworms and microfilariae prior to initiating treatment with Interceptor.
Do not use in puppies less than four weeks of age or less than 2 lbs. of body weight.
Do not use in kittens less than six weeks of age or less than 1.5 lbs. body weight.
Safety in heartworm-positive cats has not been established.
Safety in breeding, pregnant, and lactating queens and breeding toms has not been established. Discuss the risks of using this medication with your veterinarian if your pet is in one of these groups.
Do not administer to animals with a known history or suspected allergy/hypersensitivity to this medication or any of its ingredients. Allergic reactions to medications may occur. Be sure to inform Vetsource and your veterinarian if your pet has any known drug sensitivities or allergies.
If your pet displays symptoms of an allergic reaction, discontinue therapy and call your veterinarian immediately or seek emergency veterinary attention. Symptoms may include (but are not limited to): swollen lips, tongue, face, or airways; difficulty breathing; agitation; profuse salivation; and widespread hives or itching.
Drug and food interactions
There are no documented drug or food interactions with this medication.
Contact your veterinarian if your pet experiences any unusual reactions when different medications are given together.
Please ensure your veterinarian is aware of all medications and supplements that your pet is currently receiving. Your veterinarian may prescribe multiple medications, even if a potential drug interaction may occur. In these instances, your veterinarian may adjust the dosages or monitor your pet more closely.
Adverse reactions
If you are concerned that your pet has experienced an adverse reaction to this medication, please contact the manufacturer Elanco US at 1-888-545-5973 or Vetsource Pet Owner Care at 877-738-4443.
Overdose
If you have any reason to suspect an overdose, call your doctor/veterinarian or the appropriate poison control resource immediately.
For humans:
The national toll-free Poison Help line, 1-800-222-1222, will connect you to your local poison center in case of emergency. This service is available nationwide and in most U.S. territories.
For animals:
The ASPCA Animal Poison Control Center is available 24 hours a day, 365 days a year at 888-426-4435.
Pet Poison Helpline® also provides a 24/7 animal poison control service at 855-764-7661.
*Please note: this information is for third-party services and is provided for convenience in case of potential poison-related emergencies. There may be consultation fee for these services.
Disclaimer
The content provided on this page is NOT medical advice.
All content, including the images and product description above, is intended for general informational purposes only and should not be considered a substitute for professional veterinary consultation, diagnosis, or treatment.
Consult your veterinarian for complete information about this product and how it fits into your pet's individual treatment plan.
Last revised: 8/14/2025
-
Description
Product detailsInterceptor (milbemycin oxime) Flavor Tabs prevent heartworm disease, control adult hookworms, and remove and control adult roundworm and whipworm infections in dogs and puppies.Interceptor also prevents heartworm disease and removes adult roundworms and hookworms in cats and kittens.These monthly, chewable tablets are safe and effective for dogs and puppies as young as 4 weeks of age and 2 pounds of body weight or greater, and cats and kittens as young as 6 weeks of age and 1.5 pounds of body weight or greater.- Protect your dog or cat against the most common types of worm infections, including heartworm disease and hookworms
- Controls and removes roundworms and whipworms in dogs
- Removes hookworms and roundworms in cats
- Single monthly tasty flavor tab for easy administration
- Available in different dosing sizes, making it easier to treat dogs and cats of different sizes with one chewable tablet
Product sourced directly from the manufacturer or their approved distributor. Guaranteed genuine product backed by the manufacturer.ForDogs (4 weeks of age and older) and Cats (6 weeks of age and older)Active ingredient(s)Milbemycin oximeInactive ingredientsComplete inactive ingredients list not provided by manufacturer.Brand nameInterceptor Flavor TabsDrug classMilbemycin antiparasiticProduct flavoringInterceptor Flavor Tabs are “beef” flavored.*Contains pork, hydrolyzed soy (does not contain actual beef)ManufacturerElancoProduct strength & sizePackage color Weight Range Milbemycin oxime (per tablet) Brown Dogs 2 to 10 lbs. 2.3 mg Green Dogs 11 to 25 lbs. Cats 1.5 to 6 lbs.5.75 mg Yellow Dogs 26 to 50 lbs. Cats 6.1 to 12 lbs.11.5 mg White Dogs 51 to 100* lbs. Cats 12.1 to 25* lbs.23 mg *For dogs over 100 lbs. or cats over 25 lbs., administer the appropriate combination of tablets to cover your pet’s body weight.Usage*For complete product information, please review the full prescribing information in the manufacturer package insert.Interceptor Flavor Tabs should be given orally at monthly intervals year-round, or as otherwise directed by your veterinarian.Manufacturer Dosage and Administration:Step 1. Remove one tasty flavor tab from its packaging. Check to make sure that the flavor tab has not expired and remove from packaging.Step 2. Administer chewable. Your dog or cat can take the flavor tab from your hand or with a small amount of food. Just make sure they consume the whole dose.Step 3. Check for complete ingestion. After your dog or cat has taken the chewable, observe your pet to ensure that no part of the dose is lost or rejected. If you suspect that any of the dose has been lost, redosing is recommended.INTERCEPTOR must be administered monthly, preferably on the same date each month. The first dose should be administered within one month of your pet's first exposure to mosquitoes and monthly thereafter until the end of the mosquito season.For dogs:INTERCEPTOR for Dogs is given orally, once a month, at the recommended minimum dosage rate of 0.23 mg milbemycin oxime per pound of body weight (0.5 mg/kg).INTERCEPTOR is palatable and most dogs will consume the tablet willingly when offered by the owner. The tablet may also be offered in food. Watch the dog closely following dosing to be sure the entire dose has been consumed.For cats:INTERCEPTOR for Cats is given orally, once a month, at the recommended minimum dosage rate of 0.9 mg milbemycin oxime per pound of body weight (2 mg/kg).INTERCEPTOR for Cats is palatable and may be offered by the owner as a treat. The tablet may also be offered in food and can be broken for ease of administration. Watch the cat closely following dosing to be sure the entire dose has been consumed.Missed dosesIf a dose is missed: give Interceptor immediately to resume the monthly dosing schedule and notify your veterinarian. Do not give two doses at once.If multiple doses have been missed, consult your veterinarian prior to restarting the monthly dosing schedule.StorageStore in a cool, dry place at a controlled room temperature between 59 and 77°F. Keep out of the reach of children and pets. Tablets should remain sealed in their original packaging to protect them from light and should only be taken out of the blister pack at the time of dosing. Store away from heat and direct sunlight.Do not store in the bathroom, near the kitchen sink, or in damp places. The medicine may break down if exposed to heat or moisture.Side effectsInterceptor is generally well tolerated, and side effects are considered uncommon when given at the recommended dosage.The following adverse effects have been reported in a small percentage of treated dogs following the use of Interceptor: depression/lethargy, vomiting, ataxia (decreased coordination), anorexia (decreased appetite), diarrhea, convulsions, weakness, and hypersalivation (drooling).Contact your veterinarian immediately if your pet experiences a shock-like reaction, excessive drooling, seizures, extreme weakness or collapse, dilated pupils, or decreased coordination (e.g., stumbling, difficulty walking).Notify your veterinarian if your pet experiences any of the effects described above, or if you notice any other side effects that are persistent or troublesome.If you notice anything unusual, please consult your veterinarian.Precautions*For complete product information including warnings and precautions, please refer to the manufacturer package insert.For use in dogs and cats only- not for use in humans.Dogs and cats should be tested for existing heartworm infections prior to use. Infected dogs should be treated to remove adult heartworms and microfilariae prior to initiating treatment with Interceptor.Do not use in puppies less than four weeks of age or less than 2 lbs. of body weight.Do not use in kittens less than six weeks of age or less than 1.5 lbs. body weight.Safety in heartworm-positive cats has not been established.Safety in breeding, pregnant, and lactating queens and breeding toms has not been established. Discuss the risks of using this medication with your veterinarian if your pet is in one of these groups.Do not administer to animals with a known history or suspected allergy/hypersensitivity to this medication or any of its ingredients. Allergic reactions to medications may occur. Be sure to inform Vetsource and your veterinarian if your pet has any known drug sensitivities or allergies.If your pet displays symptoms of an allergic reaction, discontinue therapy and call your veterinarian immediately or seek emergency veterinary attention. Symptoms may include (but are not limited to): swollen lips, tongue, face, or airways; difficulty breathing; agitation; profuse salivation; and widespread hives or itching.Drug and food interactionsThere are no documented drug or food interactions with this medication.Contact your veterinarian if your pet experiences any unusual reactions when different medications are given together.Please ensure your veterinarian is aware of all medications and supplements that your pet is currently receiving. Your veterinarian may prescribe multiple medications, even if a potential drug interaction may occur. In these instances, your veterinarian may adjust the dosages or monitor your pet more closely.Adverse reactionsIf you are concerned that your pet has experienced an adverse reaction to this medication, please contact the manufacturer Elanco US at 1-888-545-5973 or Vetsource Pet Owner Care at 877-738-4443.OverdoseIf you have any reason to suspect an overdose, call your doctor/veterinarian or the appropriate poison control resource immediately.For humans:The national toll-free Poison Help line, 1-800-222-1222, will connect you to your local poison center in case of emergency. This service is available nationwide and in most U.S. territories.For animals:The ASPCA Animal Poison Control Center is available 24 hours a day, 365 days a year at 888-426-4435.Pet Poison Helpline® also provides a 24/7 animal poison control service at 855-764-7661.*Please note: this information is for third-party services and is provided for convenience in case of potential poison-related emergencies. There may be consultation fee for these services.DisclaimerThe content provided on this page is NOT medical advice.All content, including the images and product description above, is intended for general informational purposes only and should not be considered a substitute for professional veterinary consultation, diagnosis, or treatment.Consult your veterinarian for complete information about this product and how it fits into your pet's individual treatment plan.Last revised: 8/14/2025 -
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