Keywords: AD, atopic dermatitis; CRSwNP, chronic rhinosinusitis with nasal polyposis; IL, interleukin; IL-13; IL-4; PN, prurigo nodularis; SNOT, sino-nasal outcome test; ST, Samter triad; Samter triad; Th2; Th2, T-helper 2; dupilumab; prurigo nodularis.