Tuberculosis in the age of biologic therapy.

The introduction of biologic therapies for psoriasis has revolutionized the treatment of plaque psoriasis. These changes in our drug armamentarium have resulted in the need for dermatologists to have a through command of knowledge regarding tuberculosis given the potential for reactivation with this class of medications. The focus of this review is to update dermatologists on pertinent information regarding the microbiology, immunology, screening, and recognition of the clinical presentations of tuberculosis.