Best Fly Repellent For Dogs – Top Picks & Guide

Does your furry friend constantly twitch and swat at invisible pests during your walks or backyard playtime? Those buzzing nuisances aren’t just annoying; flies can carry diseases and cause painful bites that truly bother your dog. Finding the perfect fly repellent can feel like a frustrating treasure hunt. You want something that works well, but you also worry about harsh chemicals near your beloved companion.

It is tough balancing effective fly control with your dog’s safety. Many products promise relief but deliver harsh smells or cause skin irritation. You deserve peace of mind knowing your dog is comfortable and protected from biting insects all season long. This guide cuts through the confusion.

We will explore the best, safest options available, breaking down what ingredients to look for and which ones to avoid. By the end of this post, you will know exactly how to choose the ideal fly repellent to keep those pesky bugs away. Let’s dive in and give your dog the bug-free summer they deserve!

Top Fly Repellent For Dogs Recommendations

No. 1
Farnam Repel-X Insecticide & Repellent Water-based Fly Spray for Horses, Dogs and Premises, 32 Ounces
  • KILLS AND REPELS six common fly species (stable, horse, face, deer, house and horn), mosquitoes, gnats, ticks, fleas, chiggers and lice
  • COST-EFFECTIVE, MULTI-PURPOSE SPRAY provides protection for horses, dogs and their premises, all in one bottle
  • READY-TO-USE, WATER-BASED FORMULA offers protection without leaving behind greasy residue. No mixing or diluting required
  • KEEP A NO FLY ZONE in and around your barn and other animal quarters by applying Repel-X Insecticide & Repellent on surfaces
  • THE ORIGINAL FLY SPRAY. Repel-X Insecticide & Repellent was the first fly repellent on the market in 1957 and continues to remain a horse owner’s favorite equine fly spray today
No. 2
Farnam Flys Off Fly Repellent Ointment 7 Ounces
  • Protect your pet from flies with the Flys-Off Fly repellent ointment for dogs, horses and ponies.
  • Works to repels and kill house flies, stable flies, face flies and horn flies.
  • Flys-off Fly repellent ointment is best used around wounds, sores and other sensitive areas.
  • Comes in a convenient and lightweight 7 oz container.
  • Easy to apply, wash hands after using.
No. 3
Absorbine UltraShield EX 32oz Sprayer Insecticide, Kills & Repels Flies, Mosquitoes, Ticks, Fleas, Lice, Use on Horses, Dogs, Premises
  • USA-MADE FORMULA: Kills & repels 70+ species of insects: flies, mosquitoes, ticks, gnats, ants & more
  • WEATHERPROOF: Protection up to 17 days with UltraBond Technology; ideal for the most challenging conditions
  • NO MIXING: Ready to use, water-based formula for horses, ponies, dogs, barns, or on premise
  • BUGS & SUN: Advanced formula contains protection against insects plus multiple sunscreens and coat conditioners
  • AWARD WINNING: Consistently voted The Chronicle of the Horse Reader's Choice for favorite fly sprays multiple years running
No. 4
Farnam Flys-Off Insect Repellent for Dogs and Cats 6 Fluid Ounces
  • Protects pets from flies, gnats, mosquitoes, fleas, ticks and lice
  • Also works as a surface repellent on bedding
  • Convenient pump spray
No. 5
STEM Kills Ants, Roaches And Flies: Plant-Based Active Ingredient Bug Spray, Botanical Insecticide For Indoor And Outdoor Use; 12 fl oz (Pack Of 1)
  • Bug spray that quickly kills ants, roaches and flies
  • Plant-based active ingredient bug killer safe for use around people and pets (when used as directed)
  • Entomologist tested bug spray made with botanical extracts to kill bugs; with a fresh scent and no added dye, fragrance, or harsh chemical odors
  • Bug killer for indoor and outdoor use, wherever bugs try to bother you
  • Rooted in Nature, Optimized by Science
No. 6
Farnam Swat Fly Repellent Ointment for Wounds, Sores, Scratches and Abrasions, 7 oz
  • DEFEND AGAINST BITING and nuisance flies with an effective ointment that repels house, stable, face and horn flies
  • TARGETED PROTECTION FOR WOUNDS and face with an easily applied ointment; Works great for horses, ponies and dogs
  • CONVENIENT TO CARRY AND STORE in a handy 7 oz jar; Keep a jar with you on-the-go and stay prepared for those unavoidable “uh-oh” moments
  • DISCREET CLEAR FORMULA for times when you want your fly protection to be hidden (like in the show pen)
  • TRY BOTH FORMATS of Swat Fly Repellent Ointment for different situations; available in original pink color (to help identify wounds) and clear (for more discreet times)
No. 7
Absorbine Flys-X Ready to Use Water-Based Insecticide for Livestock, Horses, Dogs, Kills & Repels Flies, Mosquitoes, Gnats, Lice, 32oz Quart Sprayer
  • Water-based (aqueous) formula contains pyrethrins, a botanical insecticide
  • For use on horses, foals, cattle, pigs, goats, sheep, donkeys, llamas, poultry, and dogs
  • Kills horn flies, houseflies, face flies, mosquitoes, gnats, and blood-sucking lice
  • Kills fleas and ticks on dogs and on premises
  • Made in the USA
No. 8
Farnam Roll-On Fly Repellent for Horses, Ponies and Dogs 2 Ounces
  • Repels house, stable, face and horn flies
  • For use around nose, eyes, ears, mouth and wounds
  • Easy application with roller-ball
  • For horses, ponies and dogs
  • Repel flies from sensitive areas

The Ultimate Buying Guide: Keeping Your Canine Fly-Free

Flies are more than just annoying; they can spread diseases and cause discomfort to your beloved dog. Choosing the right fly repellent is crucial for keeping your pet happy and healthy, especially during warm months. This guide helps you navigate the choices available.

1. Key Features to Look For

When shopping for fly repellent, several features make a product effective and safe. Focus on these main points:

  • Broad Spectrum Protection: The best repellents stop a wide range of pests, including biting flies, mosquitoes, and gnats. Check the label to see exactly which insects the product targets.
  • Duration of Effectiveness: How long does the protection last? Some sprays need reapplication every few hours, while others last all day. Longer-lasting formulas mean less hassle for you.
  • Application Method: Repellents come as sprays, wipes, or topical liquids. Sprays are fast, wipes are good for sensitive areas, and topical treatments often offer long-term protection. Choose what works best for your dog’s temperament.
  • Water Resistance: If your dog swims or gets wet often, look for water-resistant formulas. These stay effective even after exposure to moisture.

2. Important Materials and Ingredients

The ingredients determine both safety and effectiveness. Always check the active ingredients list.

Natural vs. Chemical Ingredients

Many pet owners prefer natural options. Common natural ingredients include:

  • Essential Oils: Ingredients like citronella, peppermint, and cedarwood are often used. While generally safer, some dogs can be sensitive to strong oils.
  • Pyrethrins/Pyrethroids: These are synthetic versions of natural insecticides found in chrysanthemum flowers. They are very effective but require careful use, especially around cats. Never use products containing permethrin on cats.

Always ensure the product is specifically labeled as safe for dogs. Ingredients that are safe for humans might be toxic to canines.

3. Factors That Improve or Reduce Quality

The quality of a fly repellent depends on how well it balances safety and power.

Quality Enhancers:
  • Skin Soothing Agents: Some high-quality repellents include aloe vera or Vitamin E. These help keep your dog’s skin healthy while repelling bugs.
  • Non-Greasy Formulas: A good spray absorbs quickly. Sticky or greasy residues are uncomfortable for dogs and attract dirt.
Quality Reducers:
  • Strong Chemical Smells: Overpowering chemical odors can irritate a dog’s sensitive nose and cause them to shake off the product immediately.
  • Ingredients that Require Wiping Off: If a product leaves a residue that must be washed off after a short time, its convenience factor drops significantly.

4. User Experience and Use Cases

How you use the product matters greatly. Consider your dog’s lifestyle.

Common Use Cases:
  • Backyard Lounging: For dogs that spend afternoons in the yard, a full-body spray applied before they go out is usually sufficient.
  • Hiking and Camping: When you are deep in the woods, you need maximum protection. Use a highly effective spray and perhaps repellent clothing or collars for added defense.
  • Sensitive Areas: For dogs prone to ear or eye irritation, use repellent wipes instead of sprays. Wipes allow you to carefully apply the product around the face without getting it in the eyes or mouth.

Always read the instructions carefully regarding age and weight restrictions. Test a small patch of skin first to watch for any allergic reactions before full application.


Frequently Asked Questions (FAQ) About Dog Fly Repellents

Q: Can I use human bug spray on my dog?

A: No, you should generally not use human bug spray on dogs. Human products often contain high concentrations of chemicals like DEET, which can be toxic or cause severe skin irritation in dogs.

Q: How often should I reapply the fly repellent?

A: Reapplication frequency depends on the product. Follow the manufacturer’s directions. Usually, sprays last 2 to 4 hours, while topical treatments might last several weeks.

Q: Are natural repellents always safer?

A: Natural repellents are often gentler, but “natural” does not always mean “safe.” Some essential oils can be irritating or harmful if the concentration is too high. Always choose a product formulated specifically for dogs.

Q: Can I use fly repellent on my dog’s face?

A: Be very careful around the face. Avoid spraying directly. Instead, spray the repellent onto a cloth or wipe and gently apply it to areas like the neck and ears, keeping it far away from the eyes, nose, and mouth.

Q: What should I do if my dog licks the repellent off?

A: If your dog licks a small amount, watch them closely for signs of upset stomach, like drooling or vomiting. If they ingest a large amount or show distress, call your veterinarian or the Pet Poison Helpline immediately.

Q: Do these repellents stop ticks too?

A: Some broad-spectrum repellents work against both flies and ticks. However, if ticks are a major concern in your area, you might need a dedicated tick preventative product alongside your fly spray.

Q: How do I store unused fly repellent?

A: Store the product in a cool, dry place away from direct sunlight. Ensure the cap is tightly closed. Keep all pet products out of reach of children and pets.

Q: Will flea and tick shampoo repel flies?

A: Flea and tick shampoos are primarily designed to kill or repel those specific pests during bathing. They do not provide lasting protection against flies once the dog is dry.

Q: My dog has sensitive skin. What should I use?

A: Look for hypoallergenic formulas that are alcohol-free and fragrance-free. Products containing soothing ingredients like oatmeal or aloe vera are often better tolerated by sensitive skin.

Q: Does the repellent wash off easily?

A: Most standard sprays wash off with a bath or significant exposure to rain. If your dog swims frequently, you must reapply the repellent after they dry off, unless the label specifies it is waterproof.