Jeffers Ivermectin Horse Dewormer, Single Dose

Item #JVBB


Jeffers Ivermectin Horse Dewormer, Single Dose

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Jeffers Ivermectin (1.87%) is a broad spectrum horse dewormer used to aid in the control of large & small strongyles, pin worms, lung worms, roundworms and bots. Single Dose. Limit 30 per customer. Read More

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Featured Advice from Our Experts

What You Should Know About Horse Worms: Treatments, Causes & Info

Common types of worms and a description of each plus what to use to deworm when (printable rotation chart in link at bottom.)


Jeffers Ivermectin Horse Dewormer (1.87%)

Limit of 100 per customer.

A broad-spectrum dewormer for horses used to aid in the control of large & small strongyles, pinworms, lungworms, roundworms, bots and more. This new gel formula treats up to 1250 lbs in body weight, kills internal parasites and helps control 46 species and stages of worms and bots.

Aids in the Control of:

  • large and small strongyles
  • pinworms
  • hairworms
  • threadworms
  • stomach worms
  • lungworms
  • roundworms

All horses should be included in a regular parasite control program with particular attention paid to mares, foals, and yearlings. Foals should be treated at 6-8 weeks of age and routine treatment repeated as needed. Consult a veterinarian for a control program to meet specific needs.

Note: May be used in horses of all ages, including mares at any stage of pregnancy. Stallions may be treated without adversely affecting their fertility.

View manufacturer and label information

Any use of a product that is not clearly defined on the label directions should be done only under the supervision of a qualified veterinary professional.


  • Brand: Jeffers
  • Active Ingredient: Ivermectin (1.87%)

Reviews (139)

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  1. 5.0 out of 5 stars

    "Too good to be true????"

    Jeffers Ivermectin is great but that's not the focus of my review. I want to extol their fabulous service!! Only 10% of customers use a 5-star rating filter. Most people think it's too good to be true. Well, I'm telling you, if there was anything better than a 5-star, I'd gladly give it to them. You're over-the-top, Jeffers. Thanks, Tina

  2. 5.0 out of 5 stars

    "Jeffers Ivermectin "

    I have used this for years... I was just get ready to order this to worm my horses. Do you know when you will be getting more. ??

  3. 5.0 out of 5 stars

    "Bring it Back"

    I usually buy this by the case for my horse farm. It has worked for years. Please bring it back

  4. 5.0 out of 5 stars

    "My preferred dewormer"

    I have purchased wormers and supplies from Jeffers for over 30 years, and now, this is unavailable. This has been great to start deworming my foals beginning at 2 days of age to remove any parasites. Never have I had a foal scour after being dewormed at 2 days. Please bring this dewormer back.

  5. 5.0 out of 5 stars

    "Awesome product!"

    Thank you! Exactly what the horse doctor ordered. Works great! Awesome product and stellar service. Much appreciated.

  6. 5.0 out of 5 stars

    "Good Price and Good Product"

    I have used many different wormers in the last 40 years and Jeffer products have always been good. Ivermectin works just like it is suppose to.

  7. 5.0 out of 5 stars

    "Great Customer Service "

    I trust Jeffers products more than any other source and they're always responsive to questions or problems I may have.

  8. 5.0 out of 5 stars

    "Jeffers Horse Dewormer"

    good product, best price, fast delivery

  9. 5.0 out of 5 stars

    "Ivermectin wormer"

    Buy from jeffers all the time. Wormer works very well, no side effects for my mares, does what is says! Very affordable price. This day an age that's important! Very good product. Thanks

  10. 5.0 out of 5 stars

    "Good product and quick shipping"

    Wormer works well, easy to give, price is good, will buy again when needed.

  11. 5.0 out of 5 stars

    "DeWormer "

    This product is excellent! The price is totally reasonable and it gets the job done.

  12. 5.0 out of 5 stars

    "Jeffers ivermectin"

    Affordable, effective and easy to administer. Will buy again.

  13. 5.0 out of 5 stars

    "Effective and Affordable"

    Ivermectin is a great product and Jeffers makes it very affordable! Thank you Jeffers!!!

  14. 5.0 out of 5 stars

    "Great flavor "

    According to the horses .They seem to not mind the flavor

  15. 5.0 out of 5 stars

    "Affordable & it works"

    Used this for many years with my seasonal rotation it’s affordable and it works on all size horses, my drafts require two tubes and at this price you can’t go wrong. Jeffers as always excellent product, fast shipping & worth paying the exchange rate.

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