Arthritis
Acute Rheumatic Fever
Rheumatoid arthritis: Spiking fevers, lymphadenopathy, and splenomegaly
Reactive arthritis (e.g., Shigella, Salmonella, Yersinia)
Serum sickness
Sickle cell disease
Malignancy
Systemic lupus erythematosus: antinuclear antibodies
Lyme disease (Borrelia burgdorferi) if travelled
Gonococcal infection (Neisseria gonorrhoeae)
Septic Arthritis
Juvenile Idiopathic Arthritis
Rheumatoid arthritis: Spiking fevers, lymphadenopathy, and splenomegaly
Reactive arthritis (e.g., Shigella, Salmonella, Yersinia)
Serum sickness
Sickle cell disease
Malignancy
Systemic lupus erythematosus: antinuclear antibodies
Lyme disease (Borrelia burgdorferi) if travelled
Gonococcal infection (Neisseria gonorrhoeae)
Septic Arthritis
Juvenile Idiopathic Arthritis