Onset 1-5 days after starting causative medication
Rash:
Large areas of edematous erythema with numerous small, non-follicular pustules
Predominantly affects main body folds and upper trunk, but can involve face
NO mucous membrane involvement (in contrast to SJS/TEN)
Systemic findings:
Fever
Leukocytosis, specifically neutrophilia
+/- Facial swelling
+/- Hepatitis
+/- Eosinophilia
Large areas of edematous erythema with numerous small, non-follicular pustules
Predominantly affects main body folds and upper trunk, but can involve face
NO mucous membrane involvement (in contrast to SJS/TEN)
Fever
Leukocytosis, specifically neutrophilia
+/- Facial swelling
+/- Hepatitis
+/- Eosinophilia
Acute generalized exanthematous pustulosis
Positive Nikolsky’s sign
Herpetic whitlow
Febrile
Erythema infectiosum
Staphylococcal scalded skin syndrome 
Dermatitis herpetiformis
Toxic epidermal necrolysis/SJS 