What are the risks and long-term side effects of injecting hyaluronic acid into the knee?
In general, the potential risks of injecting hyaluronic acid into the knee may include allergic reactions, infection, pain, and swelling. Late-stage side effects might involve skin irregularities, bruising, and joint deformity. If considering such injections, it is recommended to consult a reputable medical facility.
Example image of knee hyaluronic acid injection:

Introduction to hyaluronic acid injection procedure:
| Procedure Name |
Hyaluronic Acid Injection |
Mechanism |
Hyaluronic acid is injected into the knee joint, where it binds large amounts of water molecules to form a highly viscous and elastic substance. |
Advantages |
1. Lubricates joints 2. Simple procedure 3. High safety profile |
Risks |
1. Allergic reactions 2. Risk of infection 3. Pain and swelling |
Late-stage Side Effects |
1. Skin surface irregularities 2. Bruising at injection site 3. Joint deformation |
Cost |
500–2000 RMB per syringe |
Duration of Effect |
6–12 months |
After receiving a hyaluronic acid injection in the knee, it is advisable to get adequate rest, maintain a light diet, and avoid strenuous activities to promote absorption and reduce the risk of complications and side effects.