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Iverheart Plus and Max.

Species: Dog
Breed: aussie cattle dog
Age: 5-8 years
i have been giving my dog Heartgard Plus for heartworm prevention; i recently switched to a generic heartworm medication. i ordered Iverhart Plus and received Iverhart Max; which has an added medication to prevent tapeworm. i have not administered this medication yet. she is due her next dose at the end of june. my question: is it safe to give her the Iverhart Max with the added tapeworm protection or should i try to get Iverhart Plus?


Online vet, Dr. Marie

Dr. Marie replied:

Either of these drugs would be safe to give.

Both of these drugs contain ivermectin which can be dangerous to collies or border collies (but probably not aussies), but only if given in really large amounts. The amount of ivermectin in heartworm prevention is safe for collies.

The main difference between Iverhart Max and Plus is that Max will cover tapeworms and Plus will cover whipworms. Personally I would be more concerned about whipworms as they can be hard to detect. Dogs can only get tapeworms if they have ingested an infected flea or mouse or possibly rabbit.

However, either drug is good for heartworm and safe to give.

Dr. Marie.

---This question was asked in our Ask A Vet For Free section.---


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Disclaimer: Although Dr. Marie is a qualified veterinarian, the information found on this site is not meant to replace the advice of your own veterinarian. AskAVetQuestion.com and Dr. Marie do not accept any responsibility for any loss, damage, injury, death, or disease which may arise from reliance on information contained on this site. Do not use information found on this site for diagnosing or treating your pet. Anything you read here is for information only.

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Dr. MarieDr. Marie is a veterinarian who practices in a busy animal hospital in Ottawa, Ontario. She created Ask A Vet Question as a resource for good, accurate veterinary advice online. Dr. Marie treats dogs, cats, hamsters, guinea pigs, and rats. She has been a vet since 1999.

Is an online vet visit just as good as a trip to your veterinarian? No! But, many times, asking an online veterinarian a question can help save you money. While Dr. Marie can't officially diagnose your pet or prescribe medications, she can often advise you on whether a vet visit is necessary. You can also ask Dr. Marie for a second opinion on your pet's condition.