''Extra-GIT Sx'' ''Disease activity'' Pauciarticular, Asymmetric arthritis - most common in UC and CD Erythema Nodosum Episcleritis - esp CD Osteoporosis ''Unrelated to disease activity'' Polyarticular symmetric arthritis Pyoderma Gangrenosum Uveitis - esp UC Clubbing Primary Sclerosing Cholangitis - esp UC