Erythema toxicum neonatorum Erythema toxicum neonatorum Erythema toxicum neonatorum (also known as erythema toxicum, urticaria neonatorum and toxic erythema of the newborn) is a common rash in neonates. It appears in up to half of newborns carried to term, usually between day 2–5 after birth; it does not occur outside the neonatal period. Erythema toxicum is characterized by blotchy red spots on the skin with overlying white or yellow papules or pustules. These lesions may be few or numerous. The eruption typically resolves within first two weeks of life and frequently individual lesions will appear and disappear within minutes or hours. It is
Orthopoxvirus local infection of the skin even in immunized individuals. Cowpox infection in Europe is an occupational hazard for veterinary workers, and to a lesser extent, farm workers. The initial symptoms of" Orthopoxvirus "infection include fever, malaise, head and body aches, and occasionally vomiting. With the exception of monkeypox infection, one lesion is the norm, although satellite lesions may be produced by accidental autoinoculation. Individual lesions, surrounded by inflammatory tissue, develop and progress through macules, papules, vesicles, and pustules, and eventually become dry crusts. (Lesions alone are not diagnostic for "Orthopoxvirus "infection and may be mistaken for zoonotic "Parapoxvirus" infections, anthrax