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Sparmectin E Liquid for Horses 10mg/ml (100ml)

Item# HS050272
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Must be shipped Express 1-2 Days A $29.95 flat rate fee is charged for all orders. Someone should be present to sign for and receive the order when it ships to you. For more shipping info click here.


Sparmectin E Liquid for Horses is a prescription equine liquid dewormer that aids in the treatment of large strongyles, small strongyles, pinworms, roundworms, hairworms, large-mouth stomach worms, lungworms, intestinal threadworms and summer sores. The liquid form allows horses less ability spit out, unlike paste form dewormers.

Key Benefits

  • Only FDA-approved liquid ivermectin horse dewormer
  • Easier to deliver than paste products
  • Easy to swallow; no wasted medication
  • Reduces chance of under dosing, which contributes to resistance
  • Safe for foals, pregnant mares, breeding stallions **refer to label
  • 10ml will treat an 1100lb horse


SparMectin-E (ivermectin) Liquid is indicated for the effective treatment and control of the following parasites in horses.

Large Strongyles (adult):

  • Strongylus vulgaris (also early forms in blood vessels)
  • Strongylus edentatus (also tissue stages)
  • Strongylus equinus
  • Triodontophorus spp. including:
  • Triodontophorus brevicauda
  • Triodontophorus serratus
  • Craterostomum acuticaudatum

Small Strongyles (adults, including those resistant to some benzimidazole class compounds):

  • Coronocyclus spp. including:
  • Coronocyclus coronatus
  • Coronocyclus labiatus
  • Coronocyclus labratus
  • Cyathostomum spp. including:
  • Cyathostomum catinatum
  • Cyathostomum pateratum
  • Cylicocyclus spp. including:
  • Cylicocyclus insigne
  • Cylicocyclus leptostomum
  • Cylicocyclus nassatus
  • Cylicocyclus brevicapsulatus
  • Cylicodontophorus spp.
  • Cylicostephanus spp. including:
  • Cylicostephanus calicatus
  • Cylicostephanus goldi
  • Cylicostephanus longibursatus
  • Cylicostephanus minutus
  • Petrovinema poculatum

Small Strongyles: Fourth-stage larvae

Pinworms (adults and fourth-stage larvae) - Oxyuris equi

Roundworms or ascarids (adults and third- and fourth-stage larvae) - Parascaris equorum

Hairworms (adults) - Trichostrongylus axei

Large-mouth Stomach Worms (adults) - Habronema muscae

Bots (oral and gastric stages) - Gasterophilus spp. including G. intestinalis and G. nasalis

Lungworms (adults and fourth-stage larvae) - Dictyocaulus arnfieldi

Intestinal threadworms (adults) - Strongyloides westeri

Summer sores caused by Habronema and Draschia spp. cutaneous third-stage larvae; dermatitis caused by neck threadworm microfilariae, Onchocerca sp.


SparMectin-E Liquid for Horses is formulated for administration by stomach tube (nasogastric intubation) or as an oral drench. The recommended dose is 91 mcg of ivermectin per lb (200 mcg/kg) of body weight. Each mL contains sufficient ivermectin to treat 110 lb (50 kg) of body weight: 10 mL will treat an 1100 lb (500 kg) horse.


Use a calibrated dosing syringe inserted into the bottle to measure the appropriate dose, or pour the SparMectin-E Liquid into a graduated cylinder for dose measurement. Use a clean syringe if accessing the bottle to avoid contaminating the remaining product.

Special consideration should be given to the effects or potential for injury from handling, restraint, and placement of the stomach tube during administration of SparMectin-E Liquid. SparMectin-E Liquid should be administered by drench if the risks associated with tubing are of concern. Due to the potential consequences of improper administration, SparMectin-E Liquid is intended for use by a veterinarian only and is not recommended for dispensing.

SparMectin-E Liquid in 1 to 20 and 1 to 40 dilutions with tap water has been shown to be stable for 72 hours under the conditions recommended for the product (i.e., at room temperature, in a tightly closed container, protected from light). The diluted product does not promote the growth of common organisms. However, prolonged storage of the diluted product cannot be recommended, as the effects of possible contaminants and interactions with untested materials are unknown.

Administration by stomach tube (gravity or positive flow): The recommended dose can be used undiluted or diluted up to 40 times with clean tepid water. Use tepid water to flush any drug remaining in the tube into the horse’s stomach.

Administration by drench: For administration of SparMectin-E Liquid by drench, an undiluted dose is recommended. Clear the horse’s mouth of any food material, elevate the horse’s head, and using a syringe, deposit the appropriate dose in the back of the mouth. In order to avoid unnecessary coughing or the potential for material to enter the trachea and lungs, do not use excessive pressure (squirting), do not use a large (diluted) dose volume, and do not deposit the dose in the laryngeal area. Increased dose rejection may occur if the dose is deposited in the buccal space. Keep horse’s head elevated and observe the horse to insure the dose is retained.

Parasite Control Program

All horses should be included in a regular parasite control program with particular attention being paid to mares, foals and yearlings. Foals should be treated initially at 6 to 8 weeks of age and routine treatment repeated as appropriate. SparMectin-E (ivermectin) Liquid effectively controls gastrointestinal nematodes and bots in horses. Regular treatment will reduce the chances of verminous arteritis and colic caused by Strongylus vulgaris.

Product Advantages:

Broad-spectrum Control - SparMectin-E Liquid kills important internal parasites, including bots and the arterial stages of S. vulgaris, with a single dose. SparMectin-E Liquid is a potent antiparasitic agent that is neither a benzimidazole nor an organophosphate.


Federal (U.S.A.) law restricts this drug to use by or on the order of a licensed veterinarian


Not for use in humans. Keep this and all drugs out of reach of children. Do not use in horses intended for human consumption. Refrain from smoking and eating when handling. Wash hands after use. Avoid contact with eyes. The Material Safety Data Sheet (MSDS) contains more detailed occupational safety information. To report adverse reactions in users, to obtain more information, to obtain a MSDS or for assistance, contact Sparhawk Laboratories, Inc. at 1-800-255-6368.


SparMectin-E Liquid has been formulated specifically for use in horses only. This product should not be used in other animal species as severe adverse reactions, including fatalities in dogs, may result.

Environmental Safety

Ivermectin and excreted ivermectin residues may adversely affect aquatic organisms. Do not contaminate ground or surface water. Dispose of drug container in an approved landfill or by incineration.

Information for Horse Owners

Owners should be advised of the potential that swelling and itching reactions may occur after treatment with SparMectin-E Liquid in horses carrying heavy infections of neck threadworm microfilariae, Onchocerca sp. These reactions are most likely the result of microfilariae dying in large numbers. Symptomatic treatment may be advisable.

Healing of summer sores involving extensive tissue changes may require other therapy in conjunction with SparMectin-E Liquid. Reinfection, and measures for its prevention, should also be considered.

Owners should be advised to consult their veterinarian if these conditions do not improve.


Store in a tightly closed container refrigerated between 2°C and 8°C (36°F and 46°F) with excursions up to 25°C (77°F) allowed. Protect SparMectin-E Liquid (undiluted or diluted) from light.

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