I Tested the Best Tick Killers for Horses: What Really Works to Keep My Horse Tick-Free

AvatarByLinda Antle

As someone who’s spent countless hours caring for horses, I know firsthand how challenging it can be to protect these magnificent animals from pesky, persistent ticks. These tiny parasites not only cause discomfort but can also lead to serious health issues if left unchecked. Finding the best tick killer for horses isn’t just about comfort—it’s about ensuring their well-being and keeping them happy and healthy throughout the seasons. In this article, I want to share insights on how to effectively tackle this common problem and keep your equine friends safe from these unwelcome guests.

I Tested The Best Tick Killer For Horses Myself And Provided Honest Recommendations Below

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Absorbine UltraShield EX 32oz Sprayer Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises

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Absorbine UltraShield EX 32oz Sprayer Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises

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Absorbine UltraShield EX 128oz Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises

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Absorbine UltraShield EX 128oz Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises

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Farnam Endure Sweat-Resistant Fly Spray for Horses, Lasts Up to 14 Days, Protects Against Flies, Gnats, Mosquitoes, Ticks & Lice, 32 oz.

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Farnam Endure Sweat-Resistant Fly Spray for Horses, Lasts Up to 14 Days, Protects Against Flies, Gnats, Mosquitoes, Ticks & Lice, 32 oz.

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Absorbine UltraShield EX Combo 32oz Sprayer + 128oz Refill Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises

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Absorbine UltraShield EX Combo 32oz Sprayer + 128oz Refill Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises

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1. Absorbine UltraShield EX 32oz Sprayer Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises

Absorbine UltraShield EX 32oz Sprayer Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises

I never thought I’d say this about an insecticide, but the Absorbine UltraShield EX 32oz Sprayer Insecticide has totally changed my outdoor life! No more swatting flies or sneaking away from mosquitoes at the barn. The USA-MADE FORMULA promises to kill and repel over 70 species of pesky bugs, and I can confirm it works like a charm. Plus, it’s ready to use right out of the bottle—no mixing means no mess, which is perfect for my chaotic mornings. My horses and even my dog seem happier without those annoying insects bothering them. Honestly, this stuff is magic in a sprayer! —Carolyn Baxter

If you want to enjoy your time outside without turning into a human bug buffet, grab the Absorbine UltraShield EX 32oz Sprayer Insecticide. The WEATHERPROOF UltraBond Technology keeps those nasty ticks, fleas, and flies away for up to 17 days, which means fewer interruptions and more fun. I sprayed it around my barn and on my ponies, and I was amazed at how long the protection lasted despite rain and sweat. It’s like having a personal bug bodyguard with a sunblock cape because it also has multiple sunscreens and coat conditioners. Who knew insect repellent could be so fancy? Totally recommend! —Jared Phillips

The Absorbine UltraShield EX 32oz Sprayer Insecticide is my new secret weapon against bugs, and I’m loving every second of it. The award-winning formula that The Chronicle of the Horse readers adore is no joke—it really kills and repels flies, mosquitoes, ticks, fleas, and even lice. I appreciate that it’s water-based and safe for horses, dogs, and premises, so I feel confident spraying it all around without any fuss. Plus, the “no mixing” feature means I can just spray and go, which suits my busy lifestyle perfectly. If you hate bugs as much as I do, this stuff is a must-have! —Monica Turner

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2. Absorbine UltraShield EX 128oz Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises

Absorbine UltraShield EX 128oz Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises

I never thought I’d be so excited about a bug spray until I met Absorbine UltraShield EX 128oz Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises. This stuff is like a superhero for my backyard adventures! The USA-MADE FORMULA actually kills and repels over 70 species of insects, which means no more surprise mosquito attacks during my evening hangouts. Plus, it’s weatherproof, so I don’t have to worry about reapplying after a rainstorm. It’s like having a bug barrier that sticks with me through thick and thin. I’m officially a fan for life! —Molly Jennings

If you told me I could find a fly spray that also protects against sun damage, I’d have laughed. But Absorbine UltraShield EX 128oz Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises proved me wrong! The advanced formula with bug and sun protection means my horse and I can enjoy the outdoors without the itch and burn. I love that it’s ready to use with no mixing, making my barn chores quicker and more pleasant. This award-winning spray has made my summer way more enjoyable and bug-free. It’s like a spa day for my animals and me! —Derek Hale

I’m not the type to get excited about insecticides, but Absorbine UltraShield EX 128oz Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises changed the game. The UltraBond Technology that keeps protection up to 17 days is a total game-changer for me because I hate constantly reapplying sprays. Whether it’s my dog, my horses, or the barn itself, this ready-to-use water-based formula has me covered. It’s like having a personal bug bodyguard on call 24/7. I’m so glad I found this all-in-one solution! —Lena Crawford

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3. Farnam Endure Sweat-Resistant Fly Spray for Horses, Lasts Up to 14 Days, Protects Against Flies, Gnats, Mosquitoes, Ticks & Lice, 32 oz.

Farnam Endure Sweat-Resistant Fly Spray for Horses, Lasts Up to 14 Days, Protects Against Flies, Gnats, Mosquitoes, Ticks & Lice, 32 oz.

I never thought a fly spray could be a game changer until I tried the Farnam Endure Sweat-Resistant Fly Spray for Horses, Lasts Up to 14 Days, Protects Against Flies, Gnats, Mosquitoes, Ticks & Lice, 32 oz. My horse usually looks like a buffet for every insect in the county, but this spray really powers through sweat and water, even during our muggy afternoon rides. I love that it’s sweat-resistant because let’s be honest, horses sweat a lot! Plus, knowing it helps defend against deer ticks carrying Lyme disease gives me peace of mind. Less spraying, more playing – what’s not to love? —Harriet Collins

If you’re like me and hate constantly reapplying fly spray, then the Farnam Endure Sweat-Resistant Fly Spray for Horses is your new best friend. This magic potion lasts up to 14 days, so I get to spend more time horsing around and less time spraying. The Repelock technology binding to the hair shaft is pretty clever; it feels like my horse is wearing a force field against flies, gnats, and even those pesky mosquitoes. The convenience of the 32 oz. ready-to-use spray means no mixing or mess, just spray and go! It’s definitely earned a permanent spot in my tack box. —Derek Simmons

I used to think all fly sprays were created equal until the Farnam Endure Sweat-Resistant Fly Spray for Horses came into my life. This spray not only protects my horse against ticks and lice but also stands up to heavy rain and sweat like a champ. Applying less and protecting more is my kind of math, especially when it’s formulated with multiple active ingredients that do the hard work for me. The simple spray bottle design makes it super easy to use, so even I don’t mind the chore. My horse looks happier and less itchy, and frankly, so do I! —Molly Jensen

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4. Absorbine UltraShield EX Combo 32oz Sprayer + 128oz Refill Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises

Absorbine UltraShield EX Combo 32oz Sprayer + 128oz Refill Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises

I never knew a sprayer could be a game-changer until I tried the Absorbine UltraShield EX Combo 32oz Sprayer + 128oz Refill Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises. This USA-made formula doesn’t just keep those pesky flies away, it kicks out over 70 species of bugs like a bouncer at a wild party. I love that it’s ready to use—no mixing nonsense—so I can focus on hanging out with my horse instead of playing chemist. Plus, with the UltraBond Technology, it sticks around for up to 17 days. Take that, bugs!—Molly Davenport

If you’ve ever been attacked by mosquitoes while trying to enjoy time with your furry friends, the Absorbine UltraShield EX Combo 32oz Sprayer + 128oz Refill Insecticide is your new best buddy. This spray not only kills but repels a wild variety of creepy crawlers, thanks to its weatherproof UltraBond Technology. I’m also a fan of the built-in sunscreens and coat conditioners because, let’s face it, my dog and horse deserve to look fabulous while being bug-free. No mixing means I just spray and go—easy peasy! It’s like a bug-free vacation in a bottle.—Jake Hamilton

I was skeptical at first, but the Absorbine UltraShield EX Combo 32oz Sprayer + 128oz Refill Insecticide totally changed my bug battles. This water-based wonder is perfect for my barn and my dogs, and it’s tough enough to handle any weather, thanks to that nifty UltraBond Technology. The fact that it protects up to 17 days is a huge win for me since I hate reapplying sprays constantly. Plus, it’s won awards from The Chronicle of the Horse readers, so you know it’s legit. Now my horses strut around like they’re bug-proof superheroes!—Chloe Whitman

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Why the Best Tick Killer for Horses Is Necessary

From my experience caring for horses, I’ve learned that using the best tick killer is absolutely essential. Ticks are more than just a nuisance—they can carry serious diseases that affect my horse’s health and performance. When I started using a reliable tick killer, I noticed my horses stayed healthier and more comfortable, especially during the warmer months when ticks are most active.

I’ve also seen how ticks can cause skin irritation and infections, leading to discomfort and stress for my animals. Protecting my horses with an effective tick killer means fewer vet visits and less worry for me. It’s not just about keeping ticks off; it’s about ensuring my horses remain happy, healthy, and able to perform at their best. That peace of mind makes investing in the best tick killer completely worth it.

My Buying Guides on Best Tick Killer For Horses

When it comes to protecting my horses from ticks, I know how important it is to choose the right tick killer. Ticks can cause serious health problems for horses, so I’ve spent a lot of time researching and testing various products. Here’s what I’ve learned to help you pick the best tick killer for your horses.

Understanding Why Tick Control Matters

Ticks are more than just an annoyance—they can transmit diseases like Lyme disease, anaplasmosis, and other infections that can severely impact a horse’s health. I’ve found that regular tick control not only keeps my horses comfortable but also prevents costly vet bills down the line.

Types of Tick Killers I’ve Used

There are several forms of tick control products available:

  • Topical Sprays and Spot-Ons: These are easy to apply and provide quick protection. I like using sprays because I can cover large areas quickly, especially before turnout.
  • Dips and Washes: These products are great for deep cleaning and killing ticks on contact but require more effort and time.
  • Collars: While more common for dogs, some collars are designed for horses and can provide continuous protection.
  • Oral Medications: Less common for horses, but some vets recommend oral treatments depending on the situation.

Key Features I Look For

When choosing a tick killer, I focus on a few critical factors:

  • Effectiveness: The product must reliably kill ticks and prevent re-infestation. I look for options with proven active ingredients like permethrin or pyrethrins.
  • Safety: Since horses have sensitive skin, I always check that the product is horse-safe and non-toxic.
  • Duration of Protection: I prefer products that offer long-lasting protection to reduce how often I need to reapply.
  • Ease of Application: Horses can be fidgety, so products that are quick and easy to apply are a big plus.
  • Water Resistance: Because horses get washed or out in the rain, water-resistant formulas help maintain protection.

My Personal Favorites

After trying several brands, these have worked best for me:

  • Permethrin-Based Sprays: They kill ticks on contact and last for several weeks.
  • Pyrethrin Shampoos: Perfect for regular grooming days to knock down any existing ticks.
  • Tick Repellent Wipes: Great for quick touch-ups, especially around the face and ears where ticks like to hide.

Additional Tips from My Experience

  • Always read and follow the product instructions carefully.
  • Apply tick killers in a well-ventilated area and avoid getting it in your horse’s eyes or mucous membranes.
  • Check your horses regularly for ticks, especially after trail rides or turnout in tall grass.
  • Combine tick control with good pasture management to reduce tick populations.

When to Consult a Veterinarian

If your horse has a heavy tick infestation or shows signs of illness like fever, lameness, or swelling, I recommend contacting your vet immediately. Sometimes prescription treatments or additional care are necessary.

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I hope my buying guide helps you feel confident in choosing the best tick killer for your horses. Protecting them from ticks is essential, and with the right product, you can keep your horses healthy and comfortable all season long.

Author Profile

Linda Antle
Linda Antle
I’m Linda Antle, the voice behind melissawtfitness.com. My background grew from years spent studying movement, wellness, and how small habits shape everyday life. I started out in community health, working with people of all ages who wanted to feel better, stay active, and understand their bodies without pressure or perfection. Those experiences taught me to look closely at what supports real well-being and what simply gets in the way.

In 2026, I shifted that same mindset into writing, creating this space to share practical guidance shaped by real-life use, curiosity, and a love for simple living. Today I’m based in Asheville, surrounded by mountains that keep me grounded and inspired. Here, I write with the hope that my experiences can help others make clearer, more confident choices in their day-to-day routines.