Nine Parasite Groups. One Apple-Flavored Dose.
A dull coat, a slow recovery, a topline that slips — parasites are one cause you can plan for. When your veterinarian's program calls for ivermectin, one 6.08-gram syringe treats a horse up to 1,250 lb.

The Hidden Weight Your Horse Has Been Carrying
That uncertainty is familiar because changes in weight, coat, appetite, or performance can have many causes. Internal parasites cannot be confirmed from appearance alone, yet exposure is a routine part of life wherever horses graze and share paddocks. Strongyles, ascarids, pinworms, bots, and other parasites vary by horse, age, location, season, and management. Without current information, it is easy to wonder whether your existing plan still fits your horse.
The real difficulty is not a lack of concern. It is keeping accurate weights, fecal testing, veterinary guidance, pasture management, and treatment records working together through a busy barn year. A missed note or guessed weight can leave you questioning when you treated, which active ingredient you used, and whether the full labeled dose was administered. In a multi-horse barn, those details multiply quickly, especially when every horse may not have the same parasite burden or treatment needs.
You want to protect your horse without treating blindly or relying on an automatic calendar that ignores resistance and individual risk. That starts with a veterinarian-guided parasite-control plan—and, when ivermectin is appropriate for your horse, a clearly labeled equine product that makes accurate weight-based dosing straightforward.

Why Good Enough Deworming Keeps Failing Your Horse
Part of the trouble is that the advice is generic and your horse isn't. Age, turnout, pasture pressure, how many horses share the field, what was used last time and how much of it actually went down — all of that changes what your horse needs. That's a conversation for your veterinarian, not for the aisle.
The rest of the trouble is logistics. Accurate weights, fecal results, treatment dates, and which active ingredient you used all have to stay straight through a busy barn year. A guessed weight or a missing note leaves you unsure whether the full dose ever went in.
And then there's palatability. If you've ever wrestled a horse who is determined to spit a paste back at you, you know how fast a deworming session goes sideways. A dose that ends up on the barn floor isn't a dose.

Trusted Formula. Apple Flavor. One Syringe Does the Job.
It is listed as effective against large strongyles, small strongyles, pinworms, ascarids, hairworms, large mouth stomach worms, bots, lungworms, and threadworms — nine groups, one syringe.
One syringe holds 6.08 grams, enough to treat a 1,250 lb horse. Weigh your horse as accurately as you can rather than estimating, and follow the label directions on the carton. Durvet lists it as safe to use on all horses, including broodmares, breeding stallions, and young foals.
Talk to your veterinarian about a parasite-control plan for your horse — fecal testing, timing, and which active ingredient fits. This is the product to have on the shelf when that plan calls for ivermectin. Backed by equine expertise from a family business trusted since 1948. Ships within the U.S. only.
Nine Parasite Groups
Large and small strongyles, pinworms, ascarids, hairworms, large mouth stomach worms, bots, lungworms, and threadworms — the full labeled list.
Apple-Flavored Paste
An apple-flavored paste gel, which gives you a better chance of the full dose going where it belongs.
One Syringe, Up to 1,250 lb
Each 6.08-gram syringe treats a horse up to 1,250 lb in a single dose.
Labeled for All Horses
Durvet lists it as safe to use on all horses, including broodmares, breeding stallions, and young foals.
Compare Three 1.87% Ivermectin Pastes for Horses
These equine dewormers share several core label specifications. The distinctions below are limited to facts stated on the cited manufacturer pages and official drug labels; they do not establish that one formula is more effective for your horse. Consult your veterinarian when choosing a dewormer and parasite-control plan.
| Feature | Schneiders Durvet Ivermectin Paste 1.87% | ZIMECTERIN Ivermectin Paste 1.87% | Farnam IverCare Ivermectin Paste 1.87% |
|---|---|---|---|
| Active ingredient and concentration | Ivermectin 1.87% | Ivermectin 1.87% | Ivermectin 1.87% |
| Maximum body weight treated by one syringe | Up to 1,250 lb | Up to 1,250 lb | Up to 1,250 lb |
| Syringe weight-marking increments | 250 lb per marking | 250 lb per marking | 250 lb per marking |
| Flavor stated in cited source | Apple flavored | Not listed on the cited manufacturer page or label | Apple flavor |
| Single-dose worms-and-bots statement | Manufacturer states that it removes worms and bots with a single dose | Label states that it removes worms and bots with a single dose | Manufacturer states that it removes worms and bots with a single dose |
| Parasite groups named in cited product information | Large and small strongyles, pinworms, ascarids, hairworms, large-mouth stomach worms, bots, lungworms, and intestinal threadworms; summer sores and dermatitis are also listed | Large and small strongyles, pinworms, ascarids, hairworms, large-mouth stomach worms, bots, lungworms, and intestinal threadworms; summer sores and dermatitis are also listed | Large and small strongyles, pinworms, ascarids, hairworms, large-mouth stomach worms, bots, lungworms, and intestinal threadworms |
| Horse population language in cited source | Listed for all horses, including broodmares, breeding stallions, and young foals | Listed for horses of all ages, mares at any stage of pregnancy, and breeding stallions | Listed for horses of all ages, mares at any stage of pregnancy, and breeding stallions |
Proven Formula. Nine Parasite Classes. One Dose.
- ✓1.87% ivermectin concentration — proven clinical formula
- ✓Treats large and small strongyles, pinworms, ascarids, bots, hairworms, lungworms, and threadworms
- ✓Single 6.08gm syringe treats horses up to 1,250 lbs
- ✓Safe for broodmares, breeding stallions, and foals
- ✓Apple-flavored paste gel for easy, reliable administration
One Syringe. Complete Parasite Control. Nothing More to Buy.

Have the Right Dose Ready When Your Vet's Plan Calls For It
Durvet Ivermectin Paste 1.87% covers nine labeled parasite groups in one apple-flavored 6.08-gram syringe, enough for a horse up to 1,250 lb. Schneiders has stocked equine health basics since 1948. Keep one in the barn so the right dose is on hand when your veterinarian's plan calls for ivermectin. Ships within the U.S. only.