The clinical effect of Phenylbutazone can be evident for at least 3 days following cessation of administration. This should be borne in mind when examining the horse for soundness.

Some authorities (including the Jockey Club) regard Phenylbutazone as a "prohibited substance" under the rules of competition. Therefore, use of this product in a competition horse should be in accordance with the recommendations/advice of the relevant competition authorities.

To be supplied only on veterinary prescription.

Veterinary medicinal product authorised for use in UK and Ireland.