A complete blood count (CBC) is performed in patients with neutropenia or who are immunosuppressed.
A CD4 count and HIV test are performed in patients with risk factors for HIV.
A collagen workup (eg, antinuclear antibody [ANA], anti-dsDNA) may be performed based on the underlying disease.
Esophagitis laboratory findings
Pharyngitis laboratory findings
Adenoiditis laboratory findings
Laryngitis physical examination
Pharyngitis physical examination
Bronchiolitis physical examination
Tonsillitis laboratory findings
Heartburn physical examination