Iverhart MAX Soft Chews for Dogs
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Iverhart MAX Soft Chews for Dogs

Iverhart MAX Soft Chews for Dogs

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IVERHART MAX® Soft Chew for use in dogs to prevent canine heartworm disease by eliminating the tissue stage of heartworm larvae for a month (30 days) after infection and for the treatment and control of roundworms, hookworms, and tapeworms.

Iverhart Max Soft Chew is recommended for dogs 8 weeks of age or older. For dogs over 100 lbs, use the appropriate combination of these soft chews.

Prescription Required


Remove only one dose at a time from the packaging. Return the remaining soft chew(s) to their box to protect from the light. The soft chew can be given to the dog by hand or administered in their dog food. Dog should take entire dose. If any of the dose has been missed by the dog, administering again is recommended.

Iverhart Max Soft Chews should be given once a month during the time of year when mosquitoes potentially carrying infective heartworm larvae, are active. The first dose must be given within 30 days after the dog's first exposure to mosquitoes. the final dose must be given within a month after the dog's last exposure to mosquitoes.

When replacing another heartworm preventative product in a heartworm disease prevention program, the first dose of IVERHART MAX Soft Chews must be given within a month of the last dose of former medication. A heartworm test should be performed prior to switching heartworm preventative products.

Dog Weight (lbs) Soft Chew Per (mnth) Soft Chew (size) Ivermectin (content) Pyrantel Pamoate (content) Praziquantel (content)
6.0 to 12 lbs 1 Toy 34 mcg 28.5 mg 28.5 mg
12.1 to 25 lbs 1 Small 68 mcg 57 mg 57 mg
25.1 to 50 lbs 1 Medium 136 mcg 114 mg 114 mg
50.1 to 100 lbs 1 Large 272 mcg 228 mg 228 mg