Marquis® Oral Paste (Brand) for Horses
Email Sign-Up


Marquis® Oral Paste (Brand) for Horses

Marquis® Oral Paste (Brand)
| view larger image |
Download the Patient Information Sheet Download our Patient Information Sheet (PDF)
15% 127g Syringe
4 ct
$249.99 each    $999.96
How many 4 cts?
$259.99 each
   $249.99 each
How many Syringes?
Total Qty: 1 x 1 = 1
Price Per Syringe: $259.99
Subtotal: $259.99
Add to Cart
All items In-Stock and ready for delivery unless otherwise noted

What is Marquis 15% Oral Paste?
This prescription medication is used to treat equine protozoal myeloencephalitis (EPM) caused by Sarcocystis neurona.

Who is it for?

What are the benefits?

Treats EPM in your horse
Ready-to-use, easy-click syringe makes administration simple

How does Marquis 15% Oral Paste work?
Marquis 15% Oral Paste contains the ingredient ponazuril. It is an anticoccidial (antiprotozoal) compound that kill the Sarcocystis.

Is there a generic equivalent available?

How is it given?
Marquis 15% Oral Paste is given orally. Follow the detailed instructions from the manufacturer on how to measure and administer the medication as provided by the manufacturer. Always follow the dosage instructions provided by your veterinarian. If you have difficulty giving the medication, contact your veterinarian.

This medication should only be given to the horse for whom it was prescribed.

What results can I expect?
Results will depend upon the severity of the condition and how long the horse has shown symptoms. Some horses may have experienced irreversible damage and may not respond to the medication. Others may take several weeks to months to show an effect. Be sure to give the medication for the entire course of treatment.

What form(s) does it come in?
Marquis 15% Oral Paste comes in an oral paste only.

Please click on "More Information" for possible drug and food interactions with this medication.

More Info

Brand Name


Common Drug Name

What should I discuss with my veterinarian while considering Marquis 15% Oral Paste?
Talk to your veterinarian about what type of outcome is expected.

Notify your veterinarian of any other medications or supplements your horse is taking. Also if your horse has had any reactions to previous medications.

What should I do if I miss a dose?
If you miss a dose, give it as soon as you remember. If it is almost time for the next dose, skip the one you missed and go back to the regular schedule. Do not give two doses at once.

Always follow the dosage instructions provided by your veterinarian. If you have difficulty giving the medication, contact your veterinarian.

This medication should only be given to the horse for whom it was prescribed.

What is the most important information I should know?
Always follow the instructions given by your veterinarian for best results. It is possible that all the signs of EPM will not be eliminated by treatment with Marquis Paste because permanent damage to the nervous system has already taken place.

Who should not take it?
Not for use in horses hypersensitive (allergic) to ponazuril. Before treating, other conditions that could cause the same signs as EPM, such as incoordination, should be ruled out. The safety of Marquis Paste in breeding, pregnant, or lactating horses has not been determined. Use only unless benefits outweigh the risks.

Not for use in horses intended for food.

What side effects may be seen when taking Marquis 15% Oral Paste?
May see rashes, hives, blisters, diarrhea, signs of mild colic or seizures. Consult your veterinarian if you notice any of the above side effects.

If your horse experiences an allergic reaction to the medication, signs may include facial swelling, hives, scratching, sudden onset of diarrhea, shock, seizures, pale gums, cold limbs, or coma. If you observe any of these signs, contact your veterinarian immediately.

How is it stored?
Store in a tight, light-resistant, childproof container at room temperature. Keep out of reach of children and pets.

What should I do if I know of or suspect there has been an overdose?
May see diarrhea. If you know or suspect your horse has had an overdose, or observe diarrhea in your horse, contact your veterinarian immediately. For medical emergencies, contact the manufacturer at 1-800-422-9874.

What should I avoid when giving my pet Marquis 15% Oral Paste?
Notify your veterinarian of any other medications, including vitamins and supplements, your horse is taking while receiving Marquis Paste.

Where is more information available?
Ask your veterinarian, consult with one of our pharmacists at 1-800-447-3021, or see the Patient Information Sheet on this medication.

Emergency veterinary visits can be stressful for you and your pet. Here's a list of questions and topics to discuss with your veterinarian to ensure your pet is quickly on the road to recovery.
Many pet owners believe that scratching is normal behavior for dogs. It is not. Scratching or rubbing the face or flanks, and licking at feet indicates that something is not right with your pet.
Age-related conditions are common in pets in their 'golden years' and may include, hearing and vision loss, urinary incontinence, degenerative arthritis, heart disease, and kidney or liver disease.
Drs. Foster and Smith Licensed Pharmacy

Your pet's health is our #1 priority, which is why we make ordering prescription medications from Drs. Foster and Smith as easy as 1 - 2 - 3!

At the completion of your order, you will be prompted to supply us with your veterinarian's information including how we will receive your pet's prescription from the following options:

Let us do the legwork! We will contact your veterinarian for prescription authorization.
You already have an existing prescription on file with Drs. Foster and Smith.
Your pet's prescription is in the mail.
Your veterinarian is calling or faxing the prescription to our pharmacy.
PetsPharmacy Hours
Mon. - Fri. 9:00 a.m. - 6:00 p.m. CST
Sat. 9:00 a.m. - 1 p.m. CST
Contact Us
Pharmacy Phone:
1-800-447-3021 (Toll Free)
Pharmacy Fax:
1-800-447-2404 (Toll Free)
Pharmacy Address:
P.O. Box 100
Rhinelander, WI 54501
Our pharmacy staff prides itself on providing you with the service and ease of ordering that you have come to trust exclusively from Drs. Foster and Smith.

My Account