Hyaluronic acid injections (commonly known as Ostenil®) are an effective non-surgical treatment used to reduce pain, improve movement, and support joint function — particularly in knee osteoarthritis.
At Pro Sports Medicine in Cardiff, hyaluronic acid injections are delivered as part of a structured sports medicine pathway designed to diagnose your condition, treat it precisely, and return you to activity with confidence.
Before having a hyaluronic acid injection, it is essential to understand:
Your journey starts with a Sports Medicine Diagnosis Consultation, where we:

Hyaluronic acid is a naturally occurring substance found in joint fluid.
It acts as a:
In conditions like osteoarthritis, levels of hyaluronic acid are reduced – An injection helps to:
The procedure is quick and performed in clinic:
At Pro Sports Medicine, all injections are performed under ultrasound guidance for precise placement and optimal results.
Hyaluronic acid is particularly useful where:
At Pro Sports Medicine, injections are part of a structured system:
Identify the cause of your joint pain
Determine if hyaluronic acid is the right option
Ultrasound-guided injection
Strength and movement-based rehabilitation
Restore confidence in activity
Start with an accurate diagnosis and receive a clear plan for recovery.
You may benefit if you:
Focused on joint and musculoskeletal conditions
Accurate injection delivery for best outcomes
Diagnosis, treatment, and rehabilitation in one place
Experience in professional sport and high-performance care
Compared to hospital-based treatment, Pro Sports Medicine offers:
Many patients experience:
Results typically develop over several weeks following treatment
If you are dealing with knee pain or joint stiffness, hyaluronic acid injections may be an effective option — when used as part of the right clinical pathway.
Start with a diagnosis and get a clear plan for your recovery – Start Your Recovery Pathway
Relief can last several months depending on the condition.
Most patients tolerate the procedure well.
Improvements typically occur over several weeks.
In some cases, they may help delay surgical intervention.
No — you can book directly with our team.
**Please note if you haven’t been referred by a medical professional, all injections will require an Initial assessment with our Sports Doctors or Physiotherapists to determine if the procedure is appropriate.