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Specs are compiled from manufacturer listings and verified buyer reviews and can change over time — please confirm the key details on the product page before buying.
The most effective defense is a dewormer with ivermectin as the active ingredient, which removes worms and bots with a single dose. This guide breaks down the top ivermectin pastes and gels so you can choose with confidence.
I’m Mohammad Maruf — the founder and writer behind Gardening Beyond. This guide is built by comparing the manufacturers’ published specifications and the patterns across verified customer reviews, so you get each pick’s real strengths and trade-offs instead of marketing spin.
Compare the leading ivermectin options to find the best dewormer for bots in horses for your barn, your budget, and your horse’s tolerance.
Our Picks at a Glance
How To Choose The Best Dewormer for Bots in Horses
Bot control is not about a single magic product—it is about choosing the right ivermectin formula and giving it correctly. The active ingredient matters most, but ease of administration and taste can decide whether the full dose gets swallowed.
Check the Active Ingredient First
To kill bot larvae (the fly eggs that attach to your horse’s stomach lining), you need a dewormer with ivermectin at 1.87%. Every product here has that exact dose, so your real choice is about how easy it is to give and what you pay, not whether it works.
Pick a Format Your Horse Will Accept
Pastes and gels both work, but horses have preferences. Some owners find a smooth gel easier to administer and more palatable than a thick white paste. If your horse is a picky eater, an apple-flavored option often makes the job much easier on both of you.
Match the Dose to Your Horse’s Weight
Most syringes are calibrated to treat a horse up to 1,250 lbs, with weight markings on the plunger. Weigh your horse accurately before dosing. Giving too little can leave the bots alive, so aim for a complete dose every time.
Quick Comparison
| Model | Best For | Format | Pack Size | Dose Coverage | Amazon |
|---|---|---|---|---|---|
| Durvet Ivermectin 4-Pack★ Best Overall | Multi-horse barns needing single-dose bot control | Apple Paste | 4 tubes | Per tube | Amazon |
| Horse Ivermectin Paste 1.87% Pack-3Best Value | Mini horses and smaller operations | Apple Paste | 3 syringes | Up to 1,250 lbs | Amazon |
| Jeffers Ivermectin GelPicky-Eater Pick | Horses that refuse white paste | Apple Gel | 3 syringes | Up to 1,250 lbs | Amazon |
| Durvet Ivermectin Paste 3-Count | Owners who trust the Durvet brand | Apple Paste | 3 tubes | Per tube | Amazon |
| Ivermax Ivermectin Paste 4-Pack | Budget-friendly routine rotation | Paste | 4 tubes | Per tube | Amazon |
| Bimectin Ivermectin 6-Dose | Long-term supply with lock-ring dosing | Paste | 6 doses | Per tube | Amazon |
| Durvet 12-Pack Ivermectin | Large barns wanting a full season of supply | Apple Paste | 12 tubes | Per 1,250 lb horse | Amazon |
In‑Depth Reviews
1. Durvet Ivermectin 4-Pack
Our pick — over 4.5★ from 900+ verified ratings; the strongest balance of quality and price.
The barn standard that clears bots in one apple-flavored push.
This is the dewormer most owners reach for when they want single-dose bot control without a fight. It is safe for all horses, including broodmares, breeding stallions, and young foals, which makes it a true whole-barn option. The paste-gel texture combines the ease of a gel with the reliability of a paste.
What wins people over is the effectiveness—dozens of buyers report the expected parasite control, and the apple flavor is the thing everyone raves about. Owners mention one owner’s dramatic turn: “On day 5, and every symptom is gone,” after a year of unexplained stomach issues cleared up. The pack of 4 tubes, weighing 4.64 ounces total, is a solid value for multi-horse households.
The only recurring gripe is the shipping—an occasional package arrives with the tubes banged up in a bag. The product works, but handle the box gently when it arrives to avoid tube damage.
What Owners Love
- Single-dose bot and worm removal
- Apple flavor hides easily in feed
- Safe for broodmares, stallions, and foals
The Trade-Off
- Shipping in a bag can damage tubes
- Pack of 4 may be more than a single-horse owner needs
Reach for this if: you run a multi-horse barn and want a safe, effective, great-tasting dewormer for every age group.
Look elsewhere if: you only have one horse and prefer a smaller, less bulky purchase.
2. Horse Ivermectin Paste 1.87% – Apple Flavored Pack-3
A budget-friendly trio that mini-horse owners swear by.
If you own a mini or small horse, this 3-pack of 6.08g syringes is your best fit because a mini needs only a tiny dose. The 1.87% ivermectin formula is calibrated for accurate dosing up to 1,250 lbs, and customers note: “I have had them tested after use in the past and it was found to have stopped the worms.” That is real-world proof it works.
Value for money is the clear strength here, with the pack of 3 being a 33% bigger quantity than a single-tube purchase. The apple flavor gets divided opinions though—some horses accept it fine, while others find the taste rough. Reviewers point out one owner’s horse thinks the Durvet brand tastes better, so flavor preference is a real factor with this one.
An occasional tube can arrive dried up from heat exposure, which is a risk with any paste shipped in warm weather. The brand is quick to refund, but it is worth checking each syringe before you need it.
Why It’s a Bargain
- Great value per dose for the 3-pack
- Tested by owners to stop worms
- Precise syringe dosing for accurate amounts
Know Before You Buy
- Taste is hit-or-miss with picky horses
- Heat can dry out a tube in transit
Best for: mini-horse owners or single-horse households wanting a cost-effective, tested dewormer.
Think twice if: your horse is a notoriously picky eater about medicine flavor.
3. Jeffers Ivermectin Gel Dewormer for Horses – Apple Flavored, 3 Pack
The smooth gel that wins over horses who spit out white paste.
If your horse fights the standard white paste, this yellowish gel is the switch to make. The smooth, apple-flavored texture goes down easier, and shoppers say: “My horse likes this GEL apple flavor compared to white paste.” That preference makes a huge difference when you are trying to give a complete dose.
It is a broad-spectrum formula that controls large and small strongyles, roundworms, pinworms, hairworms, stomach worms, and bots. Each syringe doses up to 1,250 lbs, so it works for foals, mares, and stallions of all sizes. The gel texture means no mixing and no complicated steps—just accurate dosing straight from the syringe.
This is a go-to for owners who keep a rotation of dewormers, with one noting they always have it in their rotation. It is also a solid pick for pony owners who want a reliable product that is easy on the horse.
Why Horses Prefer It
- Smooth gel is easier to administer than thick paste
- Apple flavor beats white paste for picky horses
- Broad-spectrum control includes bots
Consider This
- Gel texture is a preference, not a guarantee every horse loves it
- 3-pack is a moderate quantity for larger barns
Reach for this if: your horse refuses paste and you need a palatable gel that still kills bots.
Who it’s not for: owners who prefer the traditional thick paste format their horse already accepts.
4. Ivermectin Paste Dewormer – 6.08g Dose @ 1.87%, Apple Flavored, 3 Count
Authentic Durvet quality for owners who refuse to risk counterfeit wormers.
Fake dewormers are common online, so this 3-pack is for buyers who want the genuine Durvet product. Owners pick it for quality, with buyers noting it is “the real deal” compared to counterfeit brands they have tried. That trust comes from a brand used for years.
Each 6.08g tube delivers an apple-flavored paste that removes worms and bots with a single dose for oral use in horses only. Owners who have tried other brands find Durvet’s flavor less intensely sweet, which their horses actually prefer. That consistent reliability keeps people coming back.
The trade-off is that the taste still gets mixed reactions—some horses love it, others find it unpleasant. If your horse is tolerant of apple flavors, this is a dependable choice that will not disappoint.
The Reliability Factor
- Genuine Durvet brand, verified by owners
- Consistent quality bought for many years
- Flavor less intense than other brands
The Catch
- Taste is still mixed, not universally loved
- 3 tubes go fast with multiple horses
Best for: owners who want the trusted Durvet brand in a manageable 3-tube quantity.
skip it if: you are on a tight budget and a 4-pack gives you better per-dose value.
5. Ivermax (Ivermectin Paste) 1.87% for Oral Use in Horses Only – 4 Pack
A no-frills 4-pack that stretches the budget without cutting corners on ivermectin.
This is the entry-level choice for owners who want reliable bot control without paying for a brand name. The 1.87% ivermectin formula does the job, and buyers report it is “very effective, easy to use,” with repeat purchases making a huge difference for their horses. The quality earns consistent praise.
At 4 tubes per pack, this gives you a full season of doses for a single horse at a budget-friendly price. The value for money is a big part of the appeal, with buyers calling it “cost effective” and praising the fast delivery. It is a straightforward product with no gimmicks—just the active ingredient that kills bots.
The material is plastic, which is note for owners who prefer a specific syringe feel. But for the price, this is a hard-working paste that gets the job done.
Why It’s a Steal
- Budget-friendly price per dose
- Effective and easy to use, per owners
- 4 tubes cover a full season
Keep in Mind
- Generic brand without the Durvet name recognition
- Plastic syringe may feel less durable
Reach for this if: you want maximum doses for the lowest cost and trust the ivermectin active ingredient to do the work.
Look elsewhere if: you want the Durvet name specifically—this is a different brand, so choose the Durvet 3-pack instead.
6. Ivermectin Paste Horse Wormer (1.87% Ivermectin) – 6 Doses, Bimectin
You get six doses in one pack, and the lock-ring syringe (a collar that clicks to the exact dose) stops you from guessing the amount.
This Bimectin 6-dose pack is built for owners who want a long-term supply without frequent reordering. The standout feature is the applicator’s lock ring, which helps you measure doses accurately before each use—a small detail that prevents underdosing. Owners describe it as easy to use and durable.
Quality is the top praise, with the product being “same as the feed store without the markup” and working exactly as intended. The 1.87% ivermectin formula targets bots effectively, and the bundling makes it a strong value for the per-dose cost. It is also marketed for dogs, horses, and house-cats, showing its versatility.
The honest caveat is that an occasional buyer has received tubes with very little gel inside, which is a quality-control risk with any multi-pack. It is the exception, not the rule, but worth checking your tubes when they arrive.
Why It Stands Out
- 6 doses mean less frequent reordering
- Lock-ring syringe boosts dosing accuracy
- Same quality as feed stores, better price
The Risk
- Occasional tube arrives underfilled
- Plastic construction may not suit heavy users
Reach for this if: you want a long-lasting supply and value the lock-ring design for precise dosing.
Think twice if: you are wary of multi-pack quality control and prefer a single trusted tube.
7. Durvet 12-Pack Ivermectin Dewormer Paste for Horses
The full-season supply that horses take “like cake” and barns burn through fast.
For a large barn or a multi-horse operation, this 12-pack is the convenience buy that stops you from running out mid-season. Each syringe contains enough paste to treat one 1,250 lb horse at the recommended dose of 91 mcg ivermectin per lb. The apple flavor is a hit—owners mention their horses take it like cake, which makes the job easy.
The taste is the top praise here, and the ease of use follows close behind. One owner with a 12-pack found it lasts over a year for two horses, making the bulk buy a genuine long-term value. It is a “great parasite remover” that owners would buy again.
The honest downside is the packaging—the bulk box is bulky and full of cardboard, taking up fridge space if you store it cold. But for the convenience of 12 doses on hand, that is a minor trade-off.
The Bulk Advantage
- 12 doses cover a full season for multiple horses
- Apple flavor horses take like cake
- Long-term value for frequent dewormers
The Trade-Off
- Bulky packaging takes up storage space
- Large upfront quantity for single-horse owners
Best for: large barns or multi-horse owners who want a full season of apple-flavored doses in one order.
pass on it if: you have one horse and do not want to store 12 tubes.
Understanding the Specs
The 1.87% Ivermectin Standard
This percentage is the concentration of the active ingredient in the paste. At 1.87%, it delivers the recommended dose of 91 mcg of ivermectin per pound of body weight when you give a full syringe. It is the dosage strength that effectively targets bot larvae in a horse’s stomach.
Syringe Calibration and Weight Marks
Each plunger has markings that deliver enough paste to treat 250 lbs of body weight per notch. You set the plunger to your horse’s exact weight, which prevents underdosing. Underdosing is a real risk because it can encourage parasite resistance, so accurate weighing matters.
FAQ
How often should I deworm my horse for bots?
Is ivermectin paste safe for foals and pregnant mares?
What is the difference between ivermectin paste and gel?
How much paste do I give a horse that weighs less than 1,250 lbs?
Does ivermectin kill bots in all life stages?
Why does my horse spit out the paste?
Can I mix the dewormer into my horse’s feed?
How should I store my ivermectin tubes?
Is there a risk of counterfeit ivermectin products online?
How long does a 12-pack of dewormer last?
Final Thoughts: The Verdict
For most owners, the best dewormer for bots in horses is the Durvet Ivermectin 4-Pack because it pairs proven single-dose bot removal with an apple flavor horses love and safety across all ages. If you want a budget-friendly trio for a mini horse, grab the StrideGuard 3-Pack. And for a picky eater that refuses white paste, the Jeffers Gel is the one to reach for.
How We Picked
We do not accept paid placement. Every pick is matched to a real buyer and a real use-case; we do not hands-on test units.
Sources & Methodology
Specifications: manufacturer listings and product documentation. Review insights: verified customer reviews, as of August 2026. Pricing: not shown on this page (it changes often); check the current price via the retailer link.
As an Amazon Associate, Gardening Beyond earns from qualifying purchases. This does not affect which products we feature.