Nonspecific Pruritic Rash: Your Dx?

June 20, 2014

A toddler from Nigeria, whose parents remained there ill with AIDS, presented with a fever and a widespread itchy eruption. Tests for HIV infection were positive. Which systemic etiologies can be ruled out when such an eruption presents?

A recently immigrated 18-month-old boy from Nigeria, whose parents remained there ill with AIDS, presented with a fever and a widespread presumably itchy eruption. Considering the family history, tests for HIV infection were obtained; the results were positive. The boy was observed vigorously scratching at rash-filled areas, establishing that the eruption was pruritic.

Which of the following systemic etiologies should NOT be considered when such an eruption presents?