August 3, 2018

Addendum to the CPMA 2016 Elimination Guidelines Booklet

The Canadian Pari-Mutuel Agency (CPMA) is pleased to provide the Canadian horse racing industry with the following new elimination guidelines. The information published in the 2016 Elimination Guidelines book continues to be valid. There is no date for publication of a new edition of the book.


Dosage Regimen and Elimination Guideline (EG)

# Horses Drug Product Dose/Route Administration EG
4 Cetirizine1 Reactine 200 mg PO Single 72 hours
5 Clodronate2 Osphos 720 mg IM Single 30 days
4 Dexamethasone Dexamethasone 5 20 mg IM Single 48 hours
5 Fluticasone Flovent 2 mg AER Twice daily for 7 days 24 hours
5 Triamcinolone acetonide Viaderm KC 10 mg TOP Single 24 hours

1 Note that concurrent administration of cetirizine and oral ivermectin will significantly increase the elimination time of cetirizine.

2 Applies to horses 4 years of age and older. For more details, see CPMA Industry Notification dated May 31, 2018, “Addition of clodronate and tiludronate to the Schedule of Prohibited Drugs in the Pari-Mutuel Betting Supervision Regulations.”


AER        Aerosol

IA            Intra-articular

IM          Intramuscular

PO          Per os (oral)

TOP        Topical


It is stressed that these results are presented as guidelines only and should not be construed as absolute for every horse to which this drug is administered.

The guidelines in this notice should not be applied to a compounded product and may not be consistent with foreign regulations and laboratory methods.

As always, the CPMA strongly recommends that your veterinarian be consulted on any decision to administer any supplement or product to a horse.

Should you have any questions or concerns regarding this matter, please do not hesitate to contact CPMA at or by calling 1-800-268-8835.

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