Phenylbutazone a commonly used analgesic for horses.

Short for phenylbutazone, a non-steroidal anti-inflammatory medication that is legal in many racing jurisdictions. Often known by the trade names Butazolidin and Butazone.

Abbreviation for phenylbutazone which is an anti-inflammatory pain medication.

A nonsteroidal, anti-inflammatory drug with pain relief and fever reducing properties.

(Phenylbutazone) Medication used to kill pain in horses.