Skip to content


Marquis 15% Oral Paste - 127 g tube

Strength: 4 pack
Sale price$2,083.75

One-time purchase

AutoShip repeat order


Marquis is an antiprotozoal orally-administered paste that treats equine protozoal myeloencephalitis (EPM). Treatment is normally administered for a course of 28 days, and each 127-gram tube contains enough paste to treat a 1,200 pound horse for seven days.

What is Marquis 127 gm tube?

Marquis (Ponazuril) Paste is used to treat Equine Protozoal Myeloencephalitis. The active ingredient is ponazuril, an anticoccidial compound with cidal activity against Sarcocystis neurona, the protozoal parasite that causes equine protozoal myeloencephalitis (EPM).

Who is Marquis 127 gm tube for?

For use in horses.

Why use Marquis 127 gm tube?

Features of Marquis:

  • Offers effective equine protozoal treatment
  • Kills many life stages of parasites
  • Reaches the central nervous system
  • Protects horses from sarcocystis neurona, which leads to equine protozoal myeloencephalitis (EPM)

How does Marquis 127 gm tube work?

Marquis contains an active ingredient called ponazuril, which fights against several life stages of parasites. It passes the blood/brain barrier, then reaches the horse's CNS (central nervous system), where it effectively kills parasites.


Boehringer Ingelheim

Active ingredient(s):

15% w/w ponazuril

How is Marquis 127 gm tube sold?

Sold as individual 127 gram tube

What are the side effects of Marquis 127 gm tube?

Certain horses have experienced:

  • Seizures
  • Mild cases of colic
  • Loose stools (only during treatment)
  • Hives, skin rash, mouth blisters, or nose blisters for as many as 18 days

What special precautions are there?

Safety for use in breeding, pregnant, or lactating mares has not been demonstrated.

What to do if overdose?

Contact your closest emergency pet hospital.

How can I store Marquis 127 gm tube?

Store in a dry and cool environment. 15-30° C (59-86° F).

Payment & Security

American Express Diners Club Discover JCB Mastercard Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Estimate shipping

You may also like

Recently viewed

Free delivery for Members

Free Delivery for our members on orders over $49

Price Guarantee

Members pricing - if you find it cheaper anywhere else, we refund the difference.

Top-notch support

Available 7 days a week to chat, email or speak with a US based customer happiness expert

Expert Help

For members, get access to our team of expert nutritionists to help your decisions.