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Tri-Heart Plus

Intervet, Inc. a subsidiary of Merck and Company, Inc.
Heska Corp

Tri-Heart Plus (Ivermectin and Pyrantel)


FULL PRESCRIBING INFORMATION: CONTENTS*




FULL PRESCRIBING INFORMATION

Package Insert Top

Tri-Heaart Plus

(Ivermectin and Pyrantel)

Chewable Tablets

Caution: Federal (U.S.A.) law restricts this drug to use by or on the order of a licensed veterinarian.

INDICATIONS: For use in dogs to prevent canine heartworm disease by eliminating the tissue stage of heartworm larvae (Dirofilaria immitis) for a month (30 days) after infection and for the treatment and control of ascarids (Toxocara canis, Toxoscaris leonina) and hookworms (Ancylostoma caninum, Uncinaria stenocephala, Ancyclostoma braziliense).

DOSAGE: Tri-Heart® Plus ivermectin/pyrantel chewable tablets should be administered orally at monthly intervals at the
recommended minimum dose level of 6 mcg of ivermectin per kilogram (2.72 mcg/lb) and 5 mg of pyrantel (as
pamoate salt) per kg (2.27 mg/Ib) of body weight. The recommended dosing schedule for prevention of canine
heartworm disease and for the treatment and control of ascarids and hookworms is as follows:

Dog Weight
Chewable Tablets
per Month
Ivermectin
Content
Pyrantel
Content
Color Coding on
Blister Card and Carton
Up  to 25 lbs. 1 68 mcg 57 mg Blue
26 to 50 lbs. 1 136 mcg 114 mg Green
51 to 100 lbs. 1 272 mcg 227 mg Brown

Tri-Heart® Plus ivermectin/pyrantel chewable tablets are recommended for dogs 6 weeks of
age and older. For dogs over 100 lbs, use the appropriate combination of these tablets.

ADMINISTRATION: Remove only one chewable tablet at a time from the blister card.
Because most dogs find Tri-Heart®t Plus chewable tablets palatable, the product can be
offered to the dog by hand. Alternatively, it may be added intact to a small amount of dry food
or placed in the back of the dog’s mouth for forced swallowing.

Care should be taken that the dog consumes the complete dose, and treated animals should
be observed for a few minutes after administration to ensure that part of the dose is not lost
or rejected. If it is suspected that any of the dose has been lost, redosing is recommended.

Tri-Heart® Plus chewable tablets should be given at monthly intervals during the period of the
year when mosquitoes (vectors), potentially carrying infective heartworm larvae, are active.
The initial dose must be given within a month (30 days) after the dog’s first exposure to mosquitoes.
The final dose must be given within a month (30 days) after the dog’s last exposure
to mosquitoes.

When replacing another heartworm preventive product in a heartworm disease preventive
program, the first dose of Tri-Heart® Plus chewable tablets must be given within a month (30
days) of the last dose of the former medication.

If the interval between doses exceeds a month (30 days), the efficacy of ivermectin can be
reduced. Therefore, for optimal performance, the chewable tablet must be given once a
month on or about the same day of the month. If treatment is delayed, whether by a few days
or many, immediate treatment with Tri-Heart® Plus chewable tablets and resumption of the
recommended dosing regimen minimizes the opportunity for the development of adult
heartworms.

Monthly treatment with Tri-Heart® Plus chewable tablets also provides effective treatment
and control of ascarids (T. canis, T. leonina) and hookworms (A. caninum, U. stenocephala,
A. braziliense
). Clients should be advised of measures to be taken to prevent reinfection with
intestinal parasites.

EFFICACY: Tri-Heart® Plus chewable tablets given orally using the recommended dose and
regimen, are effective against the tissue larval stage of D. immitis for a month (30 days)
after infection and, as a result, prevent the development of the adult stage. Tri-Heart®
Plus chewable tablets are also effective against canine ascarids (T. canis, T. leonina)
and hookworms (A. caninum, U. stenocephala, A. braziliense).

ACCEPTABILITY: In acceptability trials, Tri-Heart® Plus chewable tablets were shown to be
a palatable oral dosage form that was consumed at first offering by the majority of dogs.

PRECAUTIONS: All dogs should be tested for existing heartworm infection before starting
treatment with Tri-Heart® Plus chewable tablets which are not effective against adult
D. immitis. Infected dogs must be treated to remove adult heartworms and microfilariae
before initiating a program with Tri-Heart® Plus chewable tablets.

While some microfilariae may be killed by the ivermectin in Tri-Heart® Plus chewable
tablets at the recommended dose level, Tri-Heart® Plus chewable tablets are not effective
for microfilariae clearance. A mild hypersensitivity-type reaction, presumably due to
dead or dying microfilariae and particularly involving a transient diarrhea has been
observed in clinical trials with ivermectin alone after treatment of some dogs that have
circulating microfilariae.

Keep this and all drugs out of the reach of children. In case of ingestion by humans, clients
should be advised to consult a physician immediately. Physicians may contact a Poison Control Center for
advice concerning cases of ingestion by humans.

ADVERSE REACTIONS: In clinical field trials with ivermectin/pyrantel, vomiting or diarrhea
within 24 hours of dosing was rarely observed (1.1% of administered doses). The following
adverse reactions have been reported following the use of ivermectin at the recommended
dose: depression/lethargy, vomiting, anorexia, diarrhea, mydriasis, ataxia, staggering,
convulsions and hypersalivation.

SAFETY: Studies with ivermectin indicate that certain dogs of the Collie breed are more
sensitive to the effects of ivermectin administered at elevated dose levels (more than 16
times the target use level of 6 mcg/kg) than dogs of other breeds. At elevated doses,
sensitive dogs showed adverse reactions which included mydriasis, depression, ataxia,
tremors, drooling, paresis, recumbency, excitability, stupor, coma and death. Ivermectin
demonstrated no signs of toxicity at 10 times the recommended dose (60 mcg/kg) in sensitive
Collies. Results of these trials and bioequivalency studies support the safety of
ivermectin products in dogs, including Collies, when used as recommended.

Ivermectin/pyrantel has shown a wide margin of safety at the recommended dose level in
dogs, including pregnant or breeding bitches, stud dogs and puppies aged 6 or more
weeks. In clinical trials, many commonly used flea collars, dips, shampoos,
anthelmintics, antibiotics, vaccines and steroid preparations have been administered
with ivermectin/pyrantel in a heartworm disease preventive program.

In one trial, where some pups had parvovirus, there was a marginal reduction in efficacy
against intestinal nematodes, possibly due to a change in intestinal transit time.

Store at controlled room temperature of 59·860 F (15·300 C). Protect product from light


HOW SUPPLIED:
Tri-Heart® Plus chewable tablets are available in three dosage strengths (See
DOSAGE section) for dogs of different weights. Each strength comes in convenient packs of 6
chewable tablets.

For Technical Assistance, call Merck Animal Health: 1-800-224-5318

Manufactured for: Intervet Inc. a subsidiary of Merck and Co. Inc., Summit, NJ 07901
Manufactured by: Diamond Animal Health, Inc., a wholly owned subsidiary of Heska Corporation,
Des Moines, IA 50327

©2013 Heska Corporation. All rights reserved.

02260-1

ANADA 200-338, Approved by FDA

www.TriHeartPlus.com

25 lb unit carton

Tri-Heart Plus

25 lb display carton

Tri-Heart Plus

26-50 lb unit carton

Tri-Heart Plus

26-50 lb display carton

Tri-Heart Plus

51-100 lb unit carton

Tri-Heart Plus

51-100 lb display carton

Tri-Heart Plus

Tri-Heart Plus

ivermectin and pyrantel pamoate TABLET, CHEWABLE

Product Information

Product Type Prescription animal drug label Item Code (Source) NDC:0061-1346
Route of Administration ORAL DEA Schedule

Active Ingredient/Active Moiety

Ingredient Name Basis of Strength Strength
IVERMECTIN Ivermectin 68 ug
Pyrantel Pamoate pyrantel 57 mg

Product Characteristics

Color Size Imprint Code Shape
brown (Light to dark brown) 14 mm none RECTANGLE

Packaging

# Item Code Package Description Marketing Start Date Marketing End Date
1 6 in 1 BLISTER PACK
2 NDC:0061-1346-04 1 in 1 CARTON

Marketing Information

Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
ANADA ANADA200338 2013-05-10


TriHeart Plus

ivermectin and pyrantel pamoate TABLET, CHEWABLE

Product Information

Product Type Prescription animal drug label Item Code (Source) NDC:0061-1339
Route of Administration ORAL DEA Schedule

Active Ingredient/Active Moiety

Ingredient Name Basis of Strength Strength
IVERMECTIN Ivermectin 136 ug
Pyrantel Pamoate pyrantel 114 mg

Product Characteristics

Color Size Imprint Code Shape
brown (Light to dark brown) 19 mm none RECTANGLE

Packaging

# Item Code Package Description Marketing Start Date Marketing End Date
1 6 in 1 BLISTER PACK
2 NDC:0061-1339-03 1 in 1 CARTON

Marketing Information

Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
ANADA ANADA200338 2013-05-10


TriHeart Plus

ivermectin and pyrantel pamoate TABLET, CHEWABLE

Product Information

Product Type Prescription animal drug label Item Code (Source) NDC:0061-1353
Route of Administration ORAL DEA Schedule

Active Ingredient/Active Moiety

Ingredient Name Basis of Strength Strength
IVERMECTIN Ivermectin 272 ug
Pyrantel Pamoate pyrantel 227 mg

Product Characteristics

Color Size Imprint Code Shape
brown (Light to dark brown) 24 mm none RECTANGLE

Packaging

# Item Code Package Description Marketing Start Date Marketing End Date
1 6 in 1 BLISTER PACK
2 NDC:0061-1353-03 1 in 1 CARTON

Marketing Information

Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
ANADA ANADA200338 2013-05-10


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Be sure to consult your doctor before taking any medication!
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