Psoriasis: How Can a Medication Used to Treat It Also Cause It?
Anti-tumor necrosis alpha agents are used to treat many conditions including psoriasis. So, how can it be that when used for treatment of inflammatory bowel disease, it can cause psoriasis?
Source: Eickstaedt JB, Killpack L, Tung J, et al. Psoriasis and psoriasiform eruptions in pediatric patients with inflammatory bowel disease treated with anti-tumor necrosis factor alpha agents [published online ahead of print February 17, 2017]. Pediatr Dermatol. doi:10.1111/pde.13081. See AAP Grand Rounds commentary by Dr. Philip Rosenthal (subscription required).
The short answer to my question, after studying this article and several more in the literature, is that I don’t know exactly.