Psoriasis 13, also known as psors13, is related to psoriasis 14, pustular and psoriasis 15, and has symptoms including exanthema, pruritus and psoriasiform rash. An important gene associated with Psoriasis 13 is TRAF3IP2 (TRAF3 Interacting Protein 2). The drugs Vedolizumab and Dapsone have been mentioned in the context of this disorder. Affiliated tissues include skin and t cells.