Infectious Viral Roseola infantum Rubeola Rubella Erythema infectiosum (fifth disease) Varicella (early manifestations before bullae) Epstein–Barr virus (10–15% of cases have macular or maculopapular rash) Molluscum contagiosum (papules) Dengue “Nonspecific” viral Enterovirus Echovirus Coxsackievirus Adenovirus Bacterial Scarlet fever Syphilis Disseminated gonorrhea Fungal Pityriasis versicolor Other infections Rocky Mountain spotted fever Ehrlichiosis Mycoplasma (15% of cases) Etiology uncertain but thought to be viral Pityriasis rosea Kawasaki disease Papular acrodermatitis Noninfectious Bites and infestations Insect bites Scabies Miscellaneous Drug reaction