Infectious
Adenovirus
Arbovirus
EBV
Ehrlichiosis
Enterovirus
Fifths disease
HHV 6
Leptospirosis
Lyme
Meningococcemia
Mycoplasma
Parvovirus (B19)
Primary HIV
Psittacosis
Rickettsia
Rubella
Rubeola
Secondary syphilis
Streptobacillus moniliformis
Typhoid fever/typhus
Adenovirus
Arbovirus
EBV
Ehrlichiosis
Enterovirus
Fifths disease
HHV 6
Leptospirosis
Lyme
Meningococcemia
Mycoplasma
Parvovirus (B19)
Primary HIV
Psittacosis
Rickettsia
Rubella
Rubeola
Secondary syphilis
Streptobacillus moniliformis
Typhoid fever/typhus
Noninfectious
Acrodermatitis enteropathica
Allergy
Dermatomyositis
Erythema marginatum
Erythema multiforme
Lupus
Serum sickness<unk> 
Acrodermatitis enteropathica
Allergy
Dermatomyositis
Erythema marginatum
Erythema multiforme
Lupus
Serum sickness<unk>
Sweet's syndrome
Infectious
Staphylococcal scalded skin syndrome
Adenovirus
Rabies
Arbovirus
Drug rash
EBV