What causes sudden pain in arm joints?

Sudden arm joint pain may be caused by arthritis, muscle strain, scapulohumeral periarthritis, lateral epicondylitis, fracture or dislocation, infection, etc. Sudden arm joint pain may be caused by a variety of reasons, the following are some common causes: 1. Arthritis: Arthritis is one of the common causes of arm joint pain. For example, diseases such as osteoarthritis and rheumatoid arthritis can cause arthritis and pain. Muscle strain or sprain: A strain or sprain of muscles, tendons, or ligaments around an arm joint can cause sudden pain. This condition is usually associated with overuse, sports injuries, or improper posture.Scapulohumeral Periarthritis: Scapulohumeral Periarthritis, also known as 50 Shoulder, is short for Shoulder Periarthritis. It is mainly manifested as chronic specific inflammation of the shoulder joint capsule and its surrounding ligaments, tendons and bursa. It is more common in people around 50 years old, more women than men. If it is not effectively treated, it may seriously affect the functional activities of the shoulder joint. 4. External humeral epicondylitis: commonly known as tennis elbow, refers to inflammation and pain of the tendons on the outside of the elbow. Pain symptoms are usually pain on the outside of the elbow, sometimes radiating upward or downward, and may even affect the wrist. 5. Fracture or dislocation: Fracture or dislocation of the arm joint may also cause sudden pain and dysfunction. This condition is usually related to trauma. 6. Infection: Infection may also cause pain in the arm joint, such as bacterial infection, viral infection, or fungal infection. 7. Other causes: Other possible causes of arm joint pain include neuropathy, vascular problems, tumors, etc. It is important to note that sudden pain in the arm joint can be a symptom of a serious illness or a sign of minor injuries or other health problems. If the pain persists, worsens, or is accompanied by other symptoms, such as swelling, numbness, weakness, etc., seek medical attention promptly for detailed examination and diagnosis. Depending on the circumstances, the doctor may arrange X-rays, magnetic resonance imaging (MRI), etc. to determine the cause of the pain and develop appropriate treatment plans. While waiting for medical attention, the following measures can be taken to relieve the pain: 1. Rest: Avoid excessive use of arm joints and minimize arm movement. 2. Ice: Apply ice packs or cold towels to the sore area for 15 - 20 minutes several times a day. 3. Compression: Gently wrap the sore arm joint with an elastic bandage, but not too tight. 4. Elevate: Raise the arm above heart level to help reduce swelling. Arm joint pain may require special attention in certain groups, such as the elderly, patients with underlying diseases, or people who use their arms for a long time. In addition, people who engage in repetitive movements or high-intensity sports for a long time are also prone to arm joint problems. If there are related occupational or lifestyle habits, pay attention to correct posture and moderate rest. In short, sudden pain in the arm joint needs attention. Timely diagnosis and treatment are key. Under the guidance of a doctor, appropriate treatment measures and precautions can help relieve pain, restore function, and prevent further injuries.