I really struggled to keep a straight face when I heard that one of our patients had had a “salmon sperm” injection for their tendonitis. But then I became curious and had a look at the research, and it turns out that it is actually a promising treatment – called polydeoxyribonucleotide (PDRN) therapy in medical circles. Here’s the state of play with regards to PDRN injections and tendon treatment.

Why a steroid injection for an injury should only be used in very specific circumstances. Also: what are the negative side effects?

PRP stands for platelet rich plasma. These types of injections have gained popularity over the last few years as a treatment option for a variety of musculoskeletal injuries / conditions including tendinopathies, muscle injuries and osteoarthritis. In this article, I’ll discuss how PRP injections work, what factors may affect how well they work and also what the research is showing with regards to what conditions they may be useful for. In this article: How they prepare the P