Therapeutic Class

1.56% diclazuril

Protazil® (1.56% diclazuril) is the first and only alfalfa-based top-dress, antiprotozoal pellet indicated for the treatment of equine protozoal myeloencephalitis (EPM) caused by Sarcocystis neurona (S.Neurona) in horses.

Administration and Dosage:
Protazil® (1.56% diclazuril) is administered as a top dress in the horses’ daily grain ration at a rate of 1 mg diclazuril per kg (0.45 mg diclazuril/lb) of body weight for 28 days. The quantity of Protazil necessary to deliver this dose is 64 mg pellets per kg (29 mg pellets/ lb) of body weight. To achieve this dose, weigh the horse (or use a weigh tape)). Scoop up Protazil to the level (cup mark) corresponding to the dose for the horse’s body weight using the following chart:

Weight Range of Horse (lb)mLs of PelletsWeight Range of Horse (lb)mLs of Pellets
275 - 524201275 - 152460
525 - 774301525 - 177470
1025 - 1274401775 - 207480
1025 - 127450--

One 2-lb bucket of Protazil will treat one 1,100 lb-horse for 28 days. One 10-lb bucket will treat five 1,100-lb horses for 28 days.

Use of Protazil® (1.56% diclazuril) Antiprotozoal Pellets is contraindicated in horses with known hypersensitivity to diclazuril.

For use in horses only. Do not use in horses intended for human consumption. Not for human use. Keep out of reach of children.

The safe use of Protazil® (1.56% diclazuril) Antiprotozoal Pellets in horses used for breeding purposes, during pregnancy, or in lactating mares has not been evaluated. The safety of Protazil® (1.56% diclazuril) Antiprotozoal Pellets with concomitant therapies in horses has not been evaluated.

10 lb. Pail
2 lb. Pail

To learn more click here

Product Label(s) and MSDS