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Eqvalan Duo Oral Paste [active ingredients: Ivermectin & Praziquantel] (POM-VPS)

Eqvalan Duo is an all-in-one, combination wormer capable of treating multiple-species infestations, including roundworms, tapeworms and bots in horses and ponies.
This product should be used in spring and autumn alongside Eqvalan for year-round parasite control.

One syringe is sufficient to treat a horse up to 600kg. If your horse weighs more than this you will need an additional paste.

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

Please click on the tabs for further information




Why worm?


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What does Eqvalan Duo treat?

Eqvalan Duo oral paste, at the recommended dosage level, provides effective control of the following parasites of horses and ponies:
  • Tapeworms

  • Large strongyles

  • Small strongyles

  • Hairworms

  • Pinworms

  • Ascarids

  • Neck threadworms

  • Intestinal threadworms

  • Large-mouth stomach worms

  • Bots

  • Lungworms

When should Eqvalan Duo be used?

Eqvalan Duo should be used in spring and autumn, alongside Eqvalan in early and late summer and a treatment for encysted small redworms over the winter months, to provide a complete year round parasite control programme for all types of horses and ponies, including pregnant and lactating mares, and foals over eight weeks of age

More Information

Brand Merial
Suitable for use during pregnancy? Suitable for pregnant mares over three months of gestation and lactating mares
Warnings Pharmaceutical Precautions: Keep out of the reach of children. Store below 30 degrees celsius. Part-used syringes should be stored below 25 degrees celsius. Following withdrawal of the first dose, used the product within 6 months. • For animal treatment only. • Not to be used in foals under eight weeks of age. • Some horses carrying heavy infection of Onchocerca microfilariae have experienced reactions with swelling and itching after treatment. It is assumed to be the result of death of large numbers of microfilariae. These signs resolve within a few days but symptomatic treatment may be advisable. Dogs and Cats may be adversely affected by the concentration of ivermectin in this product, if they are allowed to ingest spilled paste or have access to used syringes. • As ivermectin is extremely dangerous to fish and aquatic life, treated animals should not have access to surface water and ditched during treatment. • Wash hands after use. • Avoid eye contact. • Do not smoke or eat while handling this product. Withdrawal Period:Horses may be slaughtered for human consumption only after 35 days from the last treatment. Container Disposal: Any unused product or waste material should be disposed of in accordance with local requirements. Ivermectin is EXTREAMELY DANGEROUS TO FISH AND AQUATIC LIFE. Do not contaminate surface water or ditches with the product or used containers.
Condition new
Instructions for use Eqvalan Duo oral paste for horses is given by mouth at the recommended dose rate. Each syringe division delivers sufficient paste to treat 100kg of bodyweight and a full syringe delivers sufficient paste to treat 600kg bodyweight at the recommended dose rate.

The horse’s weight should be accurately determined to ensure use of the correct dose of product. Use of a scale or weigh tape is recommended to ensure accurate dosing.
Before administration adjust the syringe to the calculated dosage by setting the ring on the plunger.

The animal’s mouth must be free of food. The syringe should be placed between the front and back teeth and the paste deposited at the base of the tongue. Immediately elevate the head for a few seconds to ensure that the product is swallowed.

Treatment is recommended at least twice a year, in spring and autumn. Use alongside Eqvalan in summer to provide all year round protection from intestinal parasites.
How long will it last (days)? One treatment
Ingredients Label Ivermectin and Praziquantel
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... 600kg
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 Eqvalan Duo, please see the NOAH Compendium
Parasites Treated Ascarids (P.equorum), Hairworms (Trichostrongylus), Large Redworm (Large Strongyles), Lungworm (D.arnfeldi), Pinworm (Oxyuris), Small Redworm (Adult Stage), Stomach Bots, Stomach worms (H.muscae), Tapeworm (A.magna), Tapeworm (A.perfoliata), Threadworm
Active Ingredient Ivermectin (15.5mg/g), Praziquantel (77.5mg/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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Eqvalan Duo Oral Paste

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Supplement Solutions Ltd
The Weind
Great Eccleston
Tel: 01995 672464

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