Will a platelet-rich plasma (PRP) injection into your injured tendon speed up healing? The answer is not straightforward. It depends on some factors that you can control and others that you can’t. It also depends on which tendon we’re talking about. Here’s what we can learn from the latest research.

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?