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NexGard Chewables - Bio Spot Active Care Flea & Tick Collar For Dogs
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Bio Spot Active Care Flea & Tick Collar For Dogs
NexGard Chewables
Kills Fleas checkmark checkmark
Repels Fleas X mark X mark
Kills Flea eggs and Larvae X mark Kills fleas before they can lay eggs
Kills Ticks checkmark checkmark
Repels Ticks X mark X mark
Kills and/or Repels Mosquitoes X mark X mark
Prevents Heartworm X mark X mark
Other Parasites Information X mark X mark
Waterproof (shampooing once a week can reduce effectiveness) checkmark N/A
Safe for pregnant or nursing Pets Consult your veterinarian The safe use of NexGard in pregnant, breeding or lactating dogs has not been evaluated.
How long does it take to work Begins to work Immediately NexGard kills 100% of fleas within 24 hours.
Taste Applied To Skin Beef-flavored chewable
Active Ingredient(s) Propoxur/(S)-Methoprene Afoxolaner
RX Required X mark checkmark
Dosage
Usage Bio Spot Active Care Flea & Tick Collar For Dogs Usage NexGard Chewables Usage
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Vet Review While this product offers an economic alternative for killing/repelling  fleas and ticks for 5 months, as well as preventing the development of flea eggs into larvae and adults,  I have personally not found this product effective in my experience and opinion.  The clients I have spoken to who have been pleased with this product have found it more effective as a flea preventative, rather than once an infestation already exists, where other products such as topical front line or advantage would be preferred.  I have also seen that in some dogs local skin irritation and hives can occasionally occur in sensitive pets, which usually resolve once the collar is removed. I also have concern for cancer and neurological effects with exposure to any prolonged pesticides.  While it is a nice benefit that the collar works even when wet, because of my concerns about overall efficacy and safety, I do not recommend use of this product.  I give it an overall rating of a 2 with an efficacy a 2 and ease of use a 5. Within the past year there has been an exciting development in the battle against fleas and ticks.For years, veterinarians have relied on topical medications for control of fleas and ticks, however many formulations are greasy, as well as some sensitive pets may have an allergic reaction to contact some of them. Many clients also worry about the exposure of humans to topical flea and tick pesticides. That is why the exciting new product from Merial known as Nexgard has been such a welcome addition to our flea and tick treatment and prevention options. By using a the ingredient, afoxolaner, Merial has come out with a new product that most fleas and ticks are certainly susceptible. Dogs also LOVE the soft, beef flavored chewable, even without meals. It has also been shown to be safe at up to 5 times the recommended dose.The only down side to this product is that the parasites must bite the dog to be affected, and in some cases this may take up to many hours for this to occur. However, studies as well as clinical experience with this product show that is it very effective in preventing Lyme, Anaplasmosis, Ehrlichiosis and Rocky Mountain spotted fever. This makes it essential as part of any year round parasite prevention program in our dogs. The only rare side effects I have seen are mild digestive upset. I therefore give this product an overall rating of a 4.5, with an ease of use of a 5 out of 5.
Our expert panel consists of licensed veterinarians and the knowledgeable staff of PetMed Express, Inc. d/b/a 1-800-PetMeds. Neither the Company nor any of its employees or consultants make any warranties, expressed or implied, or representations about the accuracy or completeness of the content or the content of any site or external sites. Likewise, no legal liability or responsibility is assumed for the accuracy or completeness of any information, or usefulness of products discussed. While every effort has been made to accurately represent the qualities and characteristics of each product, which for the most part were taken directly from the websites of the manufacturers, we are not responsible for any errors. The information presented is for educational purposes only and is intended to be a supplement to, and not a substitute for, the expertise and professional judgment of your veterinarian. The information is NOT to be used for diagnosis or treatment of your pet. You should always consult your own veterinarian for specific advice concerning the treatment of your pet. The information is not intended to cover all possible uses, directions, precautions, warnings, allergic reactions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for your pet. It is not a substitute for a veterinary exam, and it does not replace the need for services provided by your veterinarian. Note: Any trademarks are the property of their respective companies.

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