What causes joint pain and fever?

The causes of joint pain and fever are infection, autoimmune disease, degenerative disease, metabolic disease, tumor, drug reaction, trauma and other, need to seek medical examination, clear the cause of treatment. There are many reasons for joint pain and fever, may be infection, autoimmune disease, degenerative disease, etc., the following are some common causes: 1. Infection: Bacterial, viral, fungal infections can cause joint pain and fever. For example, septic arthritis, osteomyelitis, tuberculosis, etc. 2. Autoimmune diseases: The body's immune system attacks its own tissues, resulting in inflammation and damage, such as rheumatoid arthritis, systemic lupus erythematosus, etc. 3. Degenerative diseases: With age, articular cartilage gradually wears out and deteriorates, leading to osteoarthritis. metabolic diseases: such as gout, urate crystals deposited in the joints cause inflammation and pain. 5. Tumors: Malignant tumors or benign tumors may also cause joint pain and fever. 6. Drug reactions: Side effects of certain drugs may cause joint pain and fever. 7. Trauma: Pain and fever may occur after joint injury, fracture or dislocation. 8. Other causes: Systemic vasculitis, rheumatic fever, juvenile idiopathic arthritis, etc. may also cause joint pain and fever. It should be noted that joint pain and fever may be a sign of serious illness, especially for children, the elderly or people with low immune function, and should be promptly examined and diagnosed in order to determine the cause and take appropriate treatment measures. If joint pain and fever occur, seek medical attention as soon as possible. The doctor will conduct detailed consultation, physical examination and necessary laboratory tests, such as blood routine, erythrocyte sedimentation rate, C-reactive protein, autoantibody test, joint puncture, etc., according to the specific situation to determine the cause. Treatment methods vary according to the cause, and may include medical treatment, physical therapy, surgery, etc. In addition, the following steps can be taken to relieve symptoms before seeking medical attention: 1. Rest: Avoid overmoving joints, especially painful ones. 2. Keep joints warm: Use hot water bags or hot compresses to relieve pain. 3. Lift affected limbs: If joints are swollen, lift affected limbs to reduce swelling and pain. 4. Take antipyretics and painkillers as recommended by your doctor. In short, joint pain fever may be a manifestation of a variety of diseases, need attention. Timely medical treatment, clear diagnosis, take appropriate treatment measures, help alleviate symptoms, promote recovery.