Rafter8 Phenylbutazone 20% is a veterinary-grade nonsteroidal anti-inflammatory (NSAID) solution formulated at 200 mg/mL. Approved for horses and dogs, this IV analgesic and antirheumatic medication is supplied in a convenient 100 mL vial. Ideal for equine care and dog veterinary needs, it supports professional pain and inflammation management under veterinary supervision. DIN 02333716. Prescription required in Canada; for use by or on the order of a veterinarian. A trusted option among livestock health products for equine and canine patients.