Ultrasound is one of the most rapidly evolving technologies in the world of human and veterinary medicine. What began as a diagnostic imaging modality only, began to be adapted for therapeutic and physiotherapy purposes over a decade ago, seeing greatest uptake in human and equine sports medicine. Now, we stand at the threshold of ultrasound as a widely used treatment method in itself. Ultrasound drug delivery With the advent of ultrasound microbubbles for contrast imaging came the possibility of using ultrasound for drug delivery. The concept was that by enclosing a drug inside......