Sodium Vitrate Injection may have side effects such as transient painful swelling or feverish sensation, rash, itching, shock, and hives. The main component of Sodium Vitrate Injection, Sodium Vitrate, is a high molecular weight substance widely found in the human body, which can lubricate the joint cavity, cover and protect the surface of articular cartilage, and inhibit the degenerative changes of cartilage and improve the contracture of the joints, and is suitable for the adjuvant treatment of degenerative knee arthropathy and periarthritis of the shoulder. The drug is contraindicated in patients with disorders of venous and lymphatic return in the legs, patients with infections or inflammation of the knee joint, those who are allergic to the product. After the drug is injected through the intra-articular cavity, individual patients may experience transient pain and swelling or a feeling of heat at the injection site, occasional rashes and itching as side effects, and rarely allergic side effects such as shock and hives, which vary from person to person. Intra-articular injection of sodium vitrate should be done in regular hospitals, and the injection process should be strictly aseptic to avoid joint infections. Once the pain worsens after injection, or even fever occurs, you should consult a doctor as soon as possible.