The clinical effect of Phenylbutazone can be evident for at least three days following cessation of administration. This should be borne in mind when examining horses 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.

Manufacturers: Ashton Pharmaceuticals Limited, Vale of Bardsley, Ashton-under-Lyne, Lancashire, OL7 9RR, UK.

Produlab Pharma B.V., Forellenweg 16, 4941 SJ Raamsdonksveer, The Netherlands.