Osphos (clodronate disodium) is an intramuscular bisphosphonate injection indicated for the control of clinical signs associated with navicular syndrome in horses. This equine veterinary solution is provided in a 15-ml vial at 60 mg/mL and is intended for use by a veterinarian. With DIN 02440776, Osphos fits into professional horse care and livestock health products for managing navicular syndrome signs as directed by your vet. Prescription only in Canada.