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  • Writer's pictureRozlynn Rogers

Just say "No" to Isoxazoline!

The Hidden Dangers of Isoxazoline-Based Oral Flea and Tick Products for Australian Labradoodles.

Pet owners are often diligent about protecting their newly adopted Australian Labradoodle puppy from pests like fleas and ticks. With the multitude of flea and tick control options available, one popular choice has been oral medications containing isoxazoline. However, recent concerns have emerged about the potential dangers associated with these products. In this blog post, we'll delve into the risks associated with isoxazoline-based oral flea and tick products for dogs.

Understanding Isoxazoline:

Isoxazoline is a chemical compound commonly found in some popular oral flea and tick medications for dogs. While these products have proven effective in controlling infestations, it's crucial to be aware of the potential risks they pose to our beloved pets. Isoxazoline based products can be found in Bravecto, Simperica, Simperica Trio, Nexgaurd, Nextgaurd Plus, Credelio, and Revolution Plus.

Neurological Side Effects:

One of the primary concerns associated with isoxazoline-based products is the potential for neurological side effects. Some dogs may experience symptoms such as tremors, seizures, or other neurological abnormalities. It's essential for pet owners to be vigilant and observant of any unusual behavior in their dogs after administering these medications.

Gastrointestinal Distress:

In addition to neurological issues, isoxazoline-based products have been linked to gastrointestinal distress in some dogs. This can manifest as vomiting, diarrhea, or a general upset stomach. While these symptoms may be temporary, they can still be distressing for both the dog and the owner.

Allergic Reactions:

Allergic reactions are another concern with isoxazoline-based medications. Some dogs may be hypersensitive to the active ingredients, leading to skin irritations, hives, or more severe allergic responses. It's crucial to monitor dogs closely after administering these medications, especially during the initial doses.

FDA Warnings:

On September 20th, 2018, The U.S. Food and Drug Administration (FDA) issued warnings regarding the potential risks of isoxazoline-based products. Pet owners should stay informed about any updates or advisories from regulatory authorities and consult with their veterinarians to make informed decisions about flea and tick control.

Alternatives and Precautions:

Given the potential risks, pet owners may want to explore alternative flea and tick control methods. Topical treatments, collars, and natural remedies are options that may offer effective protection with fewer associated risks. It's crucial to consult with a veterinarian to determine the most suitable and safe options for individual pets. Here at Sweet Tea, we are utilizing collars for flea and tick protection and a separate prescription based medicine for heart-worm and broad worm control. Always ask your vet for alternatives to Isoxazoline based products.


While isoxazoline-based oral flea and tick products have been widely used, the emerging concerns about potential side effects highlight the importance of informed decision-making by pet owners. Understanding the risks associated with these medications and exploring alternative solutions will empower pet owners to make choices that prioritize the health and well-being of their furry companions. Always consult with a veterinarian before starting any flea and tick prevention regimen to ensure the safety and comfort of your beloved Australian Labradoodle.

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