Most cases are diagnosed clinically and need only one of the treatments listed below
May consider KOH prep of skin scrapings (using a tongue depressor), if available
Consider HIV testing if no other etiology is determined or if risk factors are present
May consider KOH prep of skin scrapings (using a tongue depressor), if available
Oropharyngeal candidiasis
Tongue laceration
Retropharyngeal abscess
Strawberry tongue
Black hairy tongue
Epiglottitis
Oropharyngeal candidiasis 
Bilateral parotitis