The MSK Specialist

Knee osteoarthritis is a common and often debilitating condition. If you've explored options like physiotherapy, steroid injections, or oral medications without lasting relief, Arthrosamid® injections may offer a longer-acting alternative. This guide explains how Arthrosamid works, who it's suitable for, and—most importantly— what the success rate looks like . What is Arthrosamid® and how does it work? Arthrosamid® is an injectable polyacrylamide hydrogel (PAAG) that is used to treat knee osteoarthritis. It acts as a non-biodegradable viscosupplement , meaning it stays in the knee joint long term. Mechanism of action: Cushions the joint by integrating into the synovial lining and absorbing shock. Reduces synovial inflammation , lowering joint pain and stiffness. Forms a stable, long-lasting hydrogel layer that remains in the joint for years. Why ultrasound guidance matters: Precise placement into the intra-articular space. Minimised risk of misplacement or ...