As you well know Humira is an immuno-suppressive
drug , which mainly inhibits TNF (tumor necrosis factor).
There's a growing amount of evidence of the development of Autoimmune conditions, related to TNF inhibitors, such as Remicade, Humira and other biologics.
Please search under the following study title for more details:
"Autoimmune diseases induced by TNF-targeted therapies: analysis of 233 cases"