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Equest 18.92mg/g Oral Gel for Horses & Ponies [active ingredient: Moxidectin] (POM-VPS)

Equest is a moxidectin based wormer, capable of treating multiple-species infestations, including roundworms, bots and encysted small redworm in horses and ponies.
This product should be used in summer and winter alongside Equest Pramox for year-round parasite control.

One 14.8g syringe contains sufficient gel to treat one 700kg horse. If your horse weighs more than this, a second syringe will be required.

NEW Packaging - Now treats up to 700kg and is suitable for pregnant/lactating mares.

For more information on when to worm your horse, please read our "Which Wormer" article, written by our in-house SQP.

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  • As with all medicines, this product has contraindications and warnings, which must be understood prior to administration. It is therefore important to follow the manufacturer's instructions in full.

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Equest is a moxidectin based wormer for the treatment and control of of adult and larval stages of important internal parasites including encysted and developing larval stages of small redworms, large redworms and bots in horses and ponies with a single dose. When administered at the recommended dosage level of 400mcg moxidectin per kg of bodyweight, Equest provides effective control of moxidectin sensitive strains of the following parasites: Large strongyles, small strongyles, encysted small strongyles, ascarids and bots.

Equest has a persistent effect in preventing infection by small strongyles for 2 weeks after dosing and suppresses the presence of small strongyle eggs in the dung for 90 days. Equest should be used in summer and winter, alonside Equest Pramox in spring and autumn for all round internal parasite control in all types of horses and ponies, including pregnant and lactating mares, over the age of four months old.

More Information

Brand Zoetis
Suitable for use during pregnancy? Suitable for mares at any stage of pregnancy or lactation
Warnings May cause adverse reactions in cats and dogs. Moxidectin is extremely toxic to fish and aquatic organisms. Not to be used to treat foals under 4 months of age.
Condition new
Instructions for use One 14.8g syringe contains sufficient gel to treat one 700kg horse. If your horse weighs more than this, a second syringe will be required. It is vital to accurately dose your horse, so use of a weigh tape is recommended. Once you have determined the weight of your horse, set the syringe to the correct graduation (each graduation treats 25kg) and administer to the back of the horse's mouth. The recommended dosing interval for Equest and Equest Pramox is 13 weeks.
Ingredients Label Moxidectin
Legal Category POM-VPS (Prescription-only medicine). Please answer the questions on the previous page.
Unsure about worming? If you have any questions about worming your horse please do not hesitate to contact Hannah, our SQP, on 01995 671787 or email
Treats up to... 700kg
Adverse Reaction If your horse has had an adverse reaction to this, or any other wormer, please fill in the VMD Adverse Event Form
Wormer Information For the latest, up to date information about Equest, please see the NOAH Compendium
Parasites Treated Ascarids (P.equorum), Hairworms (Trichostrongylus), Large Redworm (Large Strongyles), Pinworm (Oxyuris), Small Redworm (Adult Stage), Small Redworm (Encysted Stage), Stomach Bots, Stomach worms (H.muscae), Threadworm
Active Ingredient Moxidectin (18.92mg/g)

Please Read:

This item is an Authorised Veterinary Medicinal product (POM-VPS or NFA-VPS, see classifications below) so Supplement Solutions must comply with the Veterinary Medicines Directorate (VMD) Code of Practice. There is a series of questions which you must answer before the website will allow you to place your order - Please answer these questions acccurately so that our SQP (Suitable Qualified Person) can fully understand your situation.  On receipt of your order your answers will be checked by our SQP who will release the order for dispatch. In some cases our SQP may need to contact you before releasing the order, so please include your day time and evening contact numbers on your order details. If you wish to contact our SQP, Hannah Wild, please do not hesitate to call her on 01995 671787 or email

For the most up-to-date information about this product, including dosing and warnings, please see the VMD product database

The classification of medicinces are as follows:

POM-V = Prescription only medicine - Veterinary. This can only be prescribed by a Veterinary, but supplied by either a Veterinary or a Pharmacist.

POM-VPS = Prescription Only Medicine - Veterinary, Pharmacist or Suitably Qualified Person (SQP). These products can only be prescribed and supplied by one of the Registered Qualified Persons listed.

NFA-VPS = Non Food Animal - Veterinary, Pharmacist, or Suitably Qualified Person (SQP). These products can only be supplied by one of the Registered Qualified Persons listed.

AVM-GSL = Authorised Veterinary Medicine - General Sales List. These can be supplied by any retailer.

Visit our Veterinary Medicines page for more information

Full information regarding Veterinary Medicines can be found on the VMD's website

Every horse alive will have a small population of parasitic worms in its body, which cause the horse no ill-effects whatsoever; in fact, a small worm burden is an excellent ‘booster’ to a horse’s immune system and its ability to fight infection. However some horses develop heavy worm burdens which, if left untreated, can prove fatal. Domestication and the subsequent management of horses has increased the likelihood of heavy worm burdens developing, so it is vital that we, as horse owners, do all we can to keep our equine friends parasite free. Equine parasite control can be very confusing if you are unsure of which parasite you need to treat for, so we have put together some vital information to help you understand the goings on in your horse’s gut and how best to keep it under control.... Read more


At Supplement Solutions, we understand that our customer requirements vary. That's why on checkout, our website will offer you a range of shipping options based on the weight and value of products ordered, allowing you can choose the one that best suits you and your order. Once your order leaves us, you will receive an email confirming the date and method of dispatch.

All UK mainland orders (excluding the Highlands of Scotland) over £75 qualify for free Standard shipping. For all other UK orders, we currently offer STANDARD, PRIORITY & SAMEDAY DISPATCH options, along with delivery via Royal Mail and Parcel Force. Our delivery options are calculated on the weight and value of items ordered. If your order is urgent, please select SAMEDAY DISPATCH and we will do our best to ensure your order is dispatched, and will contact you immediately if we cannot fulfill your order.  We offer several next day options, however, the only Guaranteed Next Day delivery is via Royal Mail Special delivery, so please ensure you select that option. Our cut off time for Urgent/Guaranteed orders is 3pm. However, we will try our best to dispatch any Urgent/Guaranteed orders after this where possible. Please contact us by phone if you have an specific delivery or urgent product request.

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Supplement Solutions Ltd
The Weind
Great Eccleston
Tel: 01995 672464

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