Frequently a clinical diagnosis based on ruling-out more dangerous causes
See differential diagnosis section (above)
Consider whether or not the patient has a fever or is toxic appearing (dangerous diagnosis)
Look at lesion distribution
Consider whether or not the patient has a fever or is toxic appearing (dangerous diagnosis)
Look at lesion distribution
Vesiculobullous rashes
Febrile
Erythematous rash
Diffuse distribution
Black hairy tongue
Varicella
Dark raised skin lesions
Smallpox