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Zimecterin (ivermectin) 1.87% Paste

Zimecterin Paste (Ivermectin)

Pet Size

Don't know your pet's weight?

If you can't get them on the scale, try this super simple method:

  1. Weigh yourself.
  2. Weigh yourself holding your pet.
  3. Subtract the two numbers to get their weight.

Too heavy to hold? Your vet will weigh them if you ask (or may already have it on file if you call).


No Prescription Required

  • Description

    Zimecterin is a prescription equine medication used as a parasiticide to kill strongyle worms, ascarid worms, pinworms, and hairworms that horses may be exposed to. Zimecterin horse wormer can also be used to treat dermatitis caused by neck threadworm microfilariae. It is administered to horses orally and can be a contributor to a parasite control program for horses. Zimecterin paste is suitable for foals as young as 6 to 8 years of age, and it offers reliable broad-spectrum control. Buy Zimecterin from World Pet Express and get the best price on horse dewormers.

    DISCLAIMER: The FDA advises against the use of ivermectin to treat or prevent COVID-19. Read More.


    The standard Zimecterin dosage is 91mcg of medication taken for each lb of body weight. The weight markings on the syringe plunger indicate enough to treat 250lb of body weight.

    Take the plunger in hand and turn the knurled ring a turn to the left and slide it so that the nearest barrel is at the prescribed weight marking.

    Now make a turn to the right to lock the barrel back in place.

    Check to confirm the horse's mouth does not have feed in it.

    Remove the syringe's tip cover and place the tip into the horse's mouth and in the space between teeth.

    Depress the plunger and push it down as far as possible to dispense the entirety of the medication onto the back of the horse's tongue.

    Raise the horse's head for a few seconds after dosing.


    The active ingredient in Zimecterin horse wormer is Ivermectin.


    For equine use with horses only. Not suitable for other animals. Keep out of reach of children.

    Refrain from smoking and eating when handling.

    Avoid contact with eyes and wash hands after use.

    Be mindful to not contaminate ground or surface water when giving this medication to your horses.


    Negative drug interactions are possible between Zimecterin and other Rx medications, including tranquilizers, muscle relaxants, sleeping pills, and others. Let your vet know of all medications your horse is currently taking before getting a prescription and proceeding to buy Zimecterin online.

    Side Effects

    Side effects from Zimecterin for horses may occur, and some horses may experience stomach discomfort, diarrhea, constipation, or general weakness and lethargy. If Zimecterin side effects are experienced, you may want to stop use and meet with a veterinarian again to discuss horse dewormer medication alternatives.

    Frequently Asked Questions about Zimecterin (Ivermectin)

    What is Zimecterin?

    Zimecterin is a brand name for a dewormer medication used in horses. It contains the active ingredient ivermectin.

    Is Zimecterin the same as Ivermectin?

    Yes, Zimecterin contains ivermectin as its active ingredient. Therefore, Zimecterin and ivermectin are essentially the same.

    Can you give your dog Zimecterin?

    No, Zimecterin is formulated specifically for horses and should not be given to dogs or any other species unless directed by a veterinarian.

    Can you use Zimecterin on goats?

    While Zimecterin is primarily formulated for use in horses, it can also be used off-label in goats. However, the dosage and administration should be determined by a veterinarian.

    Will Zimecterin treat horse summer sores?

    Zimecterin is primarily used to treat internal parasites in horses and is not specifically indicated for the treatment of horse summer sores. Treatment for summer sores typically involves topical medications and sometimes systemic antibiotics under veterinary guidance.

    Can too much ivermectin hurt a horse?

    Yes, overdosing on ivermectin can be harmful to horses. It's essential to follow proper dosing instructions provided by a veterinarian to avoid adverse effects.

    How long does it take for ivermectin to work in horses?

    Ivermectin typically begins to work within hours of administration, with maximum effectiveness against parasites reached within 24 to 48 hours.

    How often to deworm a horse with ivermectin?

    The frequency of deworming with ivermectin depends on various factors such as the horse's age, health, and environmental conditions. A veterinarian can provide specific recommendations tailored to the horse's needs.

    Which parasites does ivermectin treat?

    Ivermectin is effective against a broad spectrum of internal parasites in horses, including strongyles, roundworms, bots, and certain types of lungworms.

    Is ivermectin effective against ticks?

    While ivermectin primarily targets internal parasites in horses, it can also have some efficacy against ticks, although it may not be as effective as other medications specifically designed for tick control. Always consult with a veterinarian for the most appropriate tick control methods for your horse.

    Product Code : 9692