Note, content for veterinary professionals only.

IVERHART MAX® Chew (ivermectin/pyrantel pamoate/ praziquantel)

IVERHART MAX® Chew offers protection that your patients deserve at a value your clients will appreciate.*

IVERHART MAX® Chew (ivermectin/pyrantel pamoate/praziquantel) prevents heartworm disease, treats and controls roundworms, hookworms and tapeworms, and in a bacon-flavored chew that has a 96% acceptance rate.

  • Protects against heartworms, hookworms, roundworms, and tapeworms
  • Ingredients:
    • Ivermectin—protects against heartworms
    • Pyrantel pamoate—treats and controls roundworms and hookworms
    • Praziquantel—treats and controls tapeworms
    • Contains hydrolyzed poultry liver as part of the bacon flavor palatability enticer
  • Affordable heartworm and internal parasite protection
  • Easy Dosing: 96.3% acceptance rate*
  • Bacon enticer gives an irresistable flavor dogs love
  • Beef-free—safe for dogs with beef allergies
  • The only ivermectin-based, bacon-flavored chew
  • Can be given to puppies that are at least 8 weeks old
  • 4 convenient weight ranges:
    • Toy, 6-12 lbs.
    • Small, 12.1-25 lbs.
    • Medium, 25.1-50 lbs.
    • Large, 50.1-100 lbs.
    • For dogs over 100 lbs, use the appropriate combination of chews


*In a field study of 132 dogs in their home environments, 96.3% accepted the product when offered from the hand or from a bowl with or without food, 3.0% accepted it when placed in the dog’s mouth, and 0.7% refused it. Reference: 1. Data on file. Virbac Corporation.


Important Safety Information

IVERHART MAX® Chew (ivermectin/pyrantel pamoate/praziquantel) is well tolerated. All dogs should be tested for heartworm disease before starting a preventive protocol. Following the use of IVERHART MAX® Chew, gastrointestinal and neurological side effects have been reported. For full prescribing information, contact Virbac at 1-800-338-3659 or download the product insert.



(50.1 - 100 lbs) Each Chew contains 272 mcg ivermectin, 228 mg pyrantel as pamoate salt and 228 mg praziquantel.
(25.1 - 50 lbs) Each Chew contains 136 mcg ivermectin, 114 mg pyrantel as pamoate salt and 114 mg praziquantel.
(12.1 - 25 lbs) Each Chew contains 68 mcg ivermectin, 57 mg pyrantel as pamoate salt and 57 mg praziquantel.
(6.0 - 12 lbs) Each Chew contains 34 mcg ivermectin, 28.5 mg pyrantel as pamoate salt and 28.5 mg praziquantel.