In the largest study of its kind, Erica D. Dommasch, M.D., M.P.H., a dermatologist in the Department of Dermatology at BIDMC, and colleagues found a decreased risk of infection in patients with psoriasis using some of the newer, more targeted medications compared to those taking methotrexate, a drug widely used since the 1960s as a first line treatment for moderate-to-severe psoriasis.
