Septic arthritis
Septic arthritis causes sudden severe pain in one or more of your joints. Learn more about the symptoms and treatments.
Conditions
Shoulder pain
Shoulder pain is a very common problem but it’s not usually a sign of arthritis or underlying medical condition. Learn the symptoms, causes and treatment.
Sjögren's syndrome
Sjögren’s syndrome mainly causes a dry mouth/eyes and can also cause joint pain and fatigue. Learn the symptoms, causes and treatment.
Systemic sclerosis (scleroderma)
Systemic sclerosis (or scleroderma) is long-term and causes thick, hard skin – possibly affecting your organs. Learn the symptoms, causes and treatment.
Systemic-onset juvenile idiopathic arthritis (JIA)
Systemic-onset JIA affects children and young people – causing fever, tiredness, rash, appetite loss and weight loss. Learn the symptoms, causes and treatment.