Severe infliximab-induced psoriasis treated with adalimumab switching.

Background: Antitumor necrosis factor (anti-TNF) agents are a well-established treatment for various medical conditions, including psoriasis and psoriatic arthritis. However, anti-TNF agents may themselves induce psoriasis in some patients.

Methods: The authors report two cases of patients with severe and refractory infliximab-induced psoriasis.