Zimecterin^®

(ivermectin paste) 1.87%

Treating your horse for internal parasites can be a difficult task. A horse dewormer can help. ZIMECTERIN horse dewormer provides effective treatment and control against the following important internal parasites in horses:

• small and large strongyles

• ascarids

• bots

• pinworms

• threadworms

• lungworms

For a full list of parasite species and stages, see the ZIMECTERIN Product Insert.

With broad-spectrum control, ZIMECTERIN dewormer provides effective treatment that horse owners can trust. Ivermectin for horses, the active ingredient in ZIMECTERIN is effective against benzimidazole-resistant small strongyles.¹

You have options when it comes to a horse dewormer paste. Talk to your veterinarian to decide if ZIMECTERIN or
Zimecterin^® Gold (ivermectin 1.55% / praziquantel 7.75%) is right for your horse.

*For a full list of parasite species and stages see the ZIMECTERIN and

ZIMECTERIN GOLD Product Inserts.

Not for use in humans.

Do not use ZIMECTERIN in other animal species as severe adverse reactions, including fatalities in dogs, may result. Ivermectin and excreted ivermectin residues may adversely affect aquatic organisms. Do not contaminate ground or surface water.

ZIMECTERIN GOLD may be used in horses two months of age or older. ZIMECTERIN GOLD has not been tested in breeding, pregnant or lactating mares, and breeding stallions. There have been rare reports of swelling and irritation of the mouth, lips, and tongue following administration of ZIMECTERIN GOLD. These reactions have been transitory in nature.

The syringe contains sufficient paste to treat one 1250 lb horse at the recommended dose rate of 91 mcg ivermectin per lb (200 mcg/kg) body weight. Each weight marking on the syringe plunger delivers enough paste to treat 250 lb body weight.

ZIMECTERIN is available at retailers and can be administered by a horse owner. However, it is best to consult with your veterinarian before treating your horse. Horse owners should work closely with their veterinarian to ensure continued effectiveness of their deworming programs and selectively treat only those horses that need it.

To administer ZIMECTERIN, deposit paste on the back of the horse’s tongue and immediately raise the horse's head for a few seconds after dosing. 

For more information on dosing and administration, please read the ZIMECTERIN product label.

ZIMECTERIN Prescribing Information

ZIMECTERIN has been formulated specifically for use in horses only. Do not use in horses intended for human consumption. Not for use in humans. Keep this and all drugs out of reach of children. This product should not be used in other animal species as severe adverse reactions, including fatalities in dogs, may result.

Store at 68° F - 77° F (20-25° C). Excursions between 59° F - 86° F (15-30° C) are permitted.

Environmental Safety: Ivermectin and excreted ivermectin residues may adversely affect aquatic organisms. Do not contaminate ground or surface water. Dispose of the syringe in an approved landfill or by incineration.

ZIMECTERIN IMPORTANT SAFETY INFORMATION: Not for use in humans. Keep this and all drugs out of the reach of children. Do not use in other animal species as severe adverse reactions, including fatalities in dogs, may result. Ivermectin and excreted ivermectin residues may adversely affect aquatic organisms. Do not contaminate ground or surface water. Dispose of the syringe in an approved landfill or by incineration.