Medications associated with AGEP differ from those associated with Stevens-Johnson syndrome or toxic epidermal necrolysis. Different timing patterns from drug intake to reaction onset were observed for different drugs. Infections, although possible triggers, played no prominent role in causing AGEP and there was no evidence that AGEP is a variant of pustular psoriasis.
The neutrophil count-systemic involvement association may suggest a role for neutrophils in AGEP systemic involvement. Physicians should be aware of the possibility of systemic involvement in AGEP and should actively look for signs of extracutaneous reactions.
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