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Swat Fly Repellent Ointment for Horses and Dogs Review

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Swat Fly Repellent Ointment

Swat Fly Repellent Ointment for horses and dogs comes in pink and clear types.

Photo courtesy of Farnam.

The Bottom Line

Swat Fly Repellent Ointment is a necessity around any barn for protecting horse and dog wounds from biting flies. It goes on thick and gooey and stays in place, allowing sores to heal. It works just as well on dogs as on equines, and I'd never be without it in the summer time.
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  • Keeps flies off wounds so they can heal
  • Bright pink color makes it easy to see if animal needs reapplication
  • Thick, sticky texture keeps ointment in place


  • Hard to clean off hands


  • Pink or clear wound ointment
  • Active ingredients are pyrethrins, piperonyl butoxide, and di-n-propyl isocinchomeronate
  • Can be used on horses and dogs

Guide Review - Swat Fly Repellent Ointment for Horses and Dogs Review

My horse, Figment, has sensitive skin, and if there's any biting bug or irritating plant anywhere in the pasture, he's sure to find it. Between bites, rashes, and the occasional scrapes all horses get by just being horses, he always needs some kind of wound protection. I've kept Swat Fly Repellant Ointment in my tack trunk for years and always have an extra jar on hand.

Swat Fly Repellant Ointment serves an important purpose during the summer in any locale and all year long in insect-heavy states like Florida. It protects horse and dog wounds from flies and other bugs that would otherwise make healing impossible by turning a minor sore into a big, bloody mess. It's an essential item in any well-stocked barn's medicine cabinet.

Colored or Clear

Swat is available in clear and colored versions. The colored type is literally a bright hot pink, and I prefer it because I can easily tell whether Figment's wounds are still covered, even from across the pasture. He gets a lot of bug bites on his face that need a smear of Swat, so I know when he's rubbed it off and needs a new application. I buy it in six ounce jars, which retail for about $10.

Thick and Gooey

Swat's thick, gooey texture is both a benefit and a drawback. It's bad because it always gets all over my hands, and somehow I seem to spread it all over anything I touch after applying it to my horse, even if I rub down my hands with a towel (it's not always easy to wash up immediately in a barn). Somehow my jar of Swat always seems to attract yucky barn debris that sticks in the ointment, too.

That same stickiness keeps it in place on your equine for long-lasting protection. It often stays on even after I've hosed Figment down or he's been out in a downpour. Its manufacturer, Farnam, says that it lasts for hours, and I usually don't have to reapply it until the next day.

Good for Dogs Too

Swat isn't just for equines. If your dog spends a lot of time outside, it protects his wounds from biting bugs just as effectively as it works on horses. Many outdoor dogs are plagued by bug bites on their ears. I know countless barn dogs who depend on regular Swat applications to keep their tender ear flaps from becoming bloody nubs in the summer.

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