Knee pain, often caused by conditions like osteoarthritis, can significantly affect mobility and quality of life. In cases where pain is persistent and doesn’t improve with over-the-counter medications or physical therapy, injection therapies may be an effective option. Here, we explain three common injections for knee pain: corticosteroids, hyaluronic acid (HA), and platelet-rich plasma (PRP) injections. Learn about how each works, their benefits, risks, and current recommendations.
Corticosteroid injections contain anti-inflammatory medications that help reduce pain and swelling in the knee joint. They are typically used to manage acute flare-ups of pain in conditions such as osteoarthritis, rheumatoid arthritis, or other inflammatory joint disorders.
Corticosteroids are injected directly into the joint space, where they inhibit inflammatory processes, providing relief from pain and swelling. Relief typically begins within a few days and can last from a few weeks to several months.
Essential for bone health, these help strengthen bones and prevent further loss.
Hyaluronic acid injections, also known as viscosupplementation, involve injecting a gel-like substance directly into the knee joint. HA is naturally present in joint fluid and helps lubricate and cushion the joint.
Hyaluronic acid injections aim to replenish and restore the knee’s natural joint fluid, enhancing lubrication and potentially reducing pain. Relief often begins within a few weeks after injection and may last for several months.
Platelet-rich plasma (PRP) therapy involves using a patient’s own blood, processing it to concentrate platelets, and injecting it into the knee joint. Platelets contain growth factors that can help repair tissues and reduce inflammation.
PRP injections aim to stimulate healing within the knee joint by delivering concentrated growth factors. These growth factors can promote cartilage repair and reduce inflammation. Pain relief and improved joint function may occur gradually over several weeks to months.
Essential for bone health, these help strengthen bones and prevent further loss.
Each injection option has unique benefits and risks, and the choice of treatment depends on factors like pain severity, lifestyle, and overall health. In Singapore, treatment is tailored based on national guidelines and individual needs. Patients are encouraged to discuss options with their healthcare providers to make an informed choice.
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