Heartgard for Dogs is safe for dogs and puppies over 6 weeks of age. Heartgard for Cats is safe for cats and kittens over 6 weeks of age. Use Heartgard Plus in dogs over 6 weeks of age only. Do not give to cats or other animals.
Keep out of reach of children. Do not
allow children to handle Heartgard Plus. Read directions and precautionary
statements before use.
Give as directed by your veterinarian.
Heartgard and Heartgard Plus are available in three
different strengths for dosing: Blue for dogs weighing up to 25 lbs.,
Green for dogs weighing 26-50 lbs., and Brown for dogs weighing 51-100
lbs. Give dogs weighing more than 100 lbs. a combination of products
as instructed by your veterinarian.
Heartgard for Cats is available in two different strengths: Red for cats 1-5 lbs. and Purple for cats weighing 5-15 lbs.
- Remove only 1 Heartgard
Plus chewable of the appropriate dose from the foil-backed blister pack.
- Return remaining product
to its safe storage location.
- Once a month, feed 1 chewable
to your dog in a manner that encourages chewing. Heartgard Plus should
not be swallowed in its entirety. If necessary, crumble chewable and
hand-feed it to your dog or add it to food.
- Observe administration to
ensure the entire dose is consumed.
- Give an additional full
dose if the first is not completely consumed.
Frequency of Use:
Administer one dose of Heartgard Plus
a month, on the same day each month. If you miss the dosage date, give
the chewable to your dog as soon as you remember it. If the next dosage
date is near, wait until then. Do not give a double dose of this medication.
If only using Heartgard Plus during
mosquito season, the first dose should be given no more than one month
after a dog's first exposure to mosquitoes and the final dose should
be given no more than one month after a dog's last exposure to mosquitoes.
Store Heartgard Plus in its foil-backed
blister package. Keep out of reach of children and animals, as chewable
medication is appealing to both.
Store this medication between 68 and
77 degrees F, protected from light.
It is a violation of Federal Law
to use this product in a manner inconsistent with its labeling.
Heartgard Plus contains two active
ingredients: ivermectin and pyrantel pamoate. Ivermectin is a broad-spectrum
antiparasitic compound that prevents heartworms. Pyrantel pamoate is
an anthelminthic that prevents roundworm and hookworm infections.
Heartgard Plus comes in three dosages
based on dog weight. Each strength comes in packages of 6 and 12 chewables
(half-year and year's supply).
Heartgard Plus Blue: 68 mcg ivermectin,
57 mcg pyrantel pamoate
Heartgard Plus Green: 136 mcg ivermectin,
114 mcg pyrantel pamoate
Heartgard Plus Brown: 272 mcg , 227
mcg pyrantel pamoate
Heartgard Blue: 68 mcg ivermectin
Heartgard Green: 136 mcg ivermectin
Heartgard Brown: 272 mcg ivermectin
Heartgard for Cats Red: 55 mcg ivermectin
Heartgard for Cats Purple: 165 mcg ivermectin
Keep this product out of reach of children
and animals. Do not use or store in or near open flame or heat.
Heartgard Plus is only for the prevention
and control of heartworms, roundworms and hookworms in dogs 6 weeks
of age and older.
Have your dog tested for existing heartworm
infections prior to treatment with Heartgard Plus, as this medication
is not effective against mature forms of the parasite.
Heartgard Plus should be chewed or
broken up into small pieces, not swallowed whole.
Use as directed.
CAUTION: Side effects are rare
with Heartgard Plus. Vomiting and diarrhea are most likely. Drooling,
convulsions, loss of coordination, dilated pupils, weight loss, and
death are even more uncommon side effects.
If you observe any side effects, or
know of or suspect an overdose, contact your veterinarian right away.
There are no known interactions with
Heartgard Plus. However, consult your veterinarian before giving your
dog other medications or supplements. Do not combine this medication
with another for heartworms.
In the event of human ingestion, call
your physician or a poison control center immediately for treatment
instructions. Have the package in your possession when calling or seeking
Warranty and Manufacturer Information:
Seller makes no warranty, expressed
or implied, concerning the use of this product other than indicated
on the label. Buyer assumes all risk of use and handling of this material
when such use and handling are contrary to label instructions.
HEARTGARD and the Dog & Hand logo
are registered trademarks of Merial.
For customer assistance, please contact
Merial at 1-888-637-4251.
Marketed by Merial Limited, Duluth,
Merial Limited, a company limited by
shares registered in England and Wales [registered number 3332751] with
a registered office at PO Box 327, Sandringham House, Sandringham Avenue,
Harlow Business Park, Harlow Essex CM19 5QA, England, and domesticated
in Delaware, USA as Merial LLC, with a place of business at 3239 Satellite
Blvd., Duluth, GA 30096-4640 USA.
U.S. Pat. 4,199,569
Made in U.S.A.
© 2008 Merial. All Rights Reserved.
Rev. May 2008
NAC No.: 11110234