An autoimmune disease with inflammatory myopathy causing muscle weakness and arthritis, along with characteristic skin findings like the heliotrope rash and Gottron's papules.
A systemic bacterial infection with a classic triad of tenosynovitis, dermatitis (hemorrhagic pustules), and migratory polyarthralgia.
EBV infection can cause a polyarthritis, along with the classic findings of fever, pharyngitis, and lymphadenopathy.
The systemic form (Still's disease) is characterized by high, spiking fevers, arthritis, and a distinctive, evanescent, salmon-pink macular rash.
A childhood vasculitis with prolonged high fever, a polymorphous rash, and arthritis or arthralgia.
Up to 30% of patients with psoriasis develop psoriatic arthritis, a seronegative inflammatory arthritis.
Now reactive arthritis, this is a seronegative arthritis following an infection, with a classic triad of 'can't see, can't pee, can't climb a tree' (conjunctivitis, urethritis, arthritis) and skin lesions.
A complication of streptococcal infection causing a migratory polyarthritis, carditis, and characteristic skin signs like erythema marginatum.
The adult form of systemic juvenile idiopathic arthritis, with high, spiking fevers, arthritis, and an evanescent, salmon-pink macular rash.
A heart valve infection that can cause septic arthritis and characteristic embolic skin phenomena like Janeway lesions and Osler's nodes.
A multisystem autoimmune disease where a non-erosive, symmetric polyarthritis is a very common feature, along with rashes like the malar rash.
