What are the symptoms of rheumatoid knee arthritis?

If rheumatic knee arthritis is severe, it will cause pain in joints throughout the body, sometimes affecting normal walking and activities. Patients will also have irregular fever and skin and mucous membrane symptoms, such as oral ulcers, skin ulcers or rashes.

1. Pain

Joint pain is the most common symptom of rheumatism. Pain may occur in joints throughout the body, but pain in the limbs and trunk may cause lesions in the internal organs and nervous system.

2. Muscle pain

Muscles may also experience pain symptoms, and may also experience muscle weakness, elevated muscle enzymes, and myogenic damage, such as systemic lupus erythematosus, mixed connective tissue disease, dermatomyositis, etc.

3. Irregular fever

Before rheumatism appears, there will be irregular fever, no chills, and antibiotic treatment will be ineffective. At the same time, there will be a rapid erythrocyte sedimentation rate. Systemic lupus erythematosus, acute neutrophilic febrile dermatosis, adult Still's disease, and panniculitis can all have fever as the first symptom.

4. Skin and mucous membrane symptoms

Dermatomyositis, Sjögren's syndrome, Behcet's syndrome, sebaceous membrane inflammation, etc. may cause rash, oral ulcers, skin ulcers, reticular cyanosis, eye symptoms, etc.

5. Raynaud's sign

The fingertips will turn white when exposed to cold or when the mood changes, then turn purple, and finally turn red and be accompanied by numbness, pain, and severe skin ulcers. This can be seen in rheumatoid arthritis, systemic lupus erythematosus, and mixed connective tissue disease.

6. Abnormal autoantibody blood indicators

Anti-ENA antibody, anti-ds-DNA antibody, antiplatelet antibody, antinuclear antibody, anticardiolipin antibody, rheumatoid factor, etc.