Phenylbutazone 200mg/ml Injection (100ml)Phenylbutazone is a synthetic, non-hormonal anti-inflammatory, anti-pyretic compound useful in the management of inflammatory conditions. Its analgesic effect is probably related mainly to the compound’s anti-inflammatory properties. Used mainly in dogs for the long-term management of chronic pain due to osteoarthritis. Controls pain in horses associated with laminitis, infection, or injury.