Infection with candida albicans, a ubiquitous commensal organism in the upper aerodigestive tract. While this organism normally causes no problem, under certain circumstances it can overgrow. These circumstances include (1) when other normal flora are killed through administration of antibiotics (2) if surface immunity of the mucosa is decreased via inhalation of steroid medication, and (3) if the individual is immunosuppressed by disease or other drugs. Typical symptoms of candidiasis in the upper aerodigestive tract include slight sore throat and hoarseness.
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