has symptom adenoiditis DOID:0050145 disease_ontology DOID:13750 SNOMEDCT_US_2025_09_01:195794009 UMLS_CUI:C0396023 ICD9CM:474.01 An upper respiratory tract disease which involves inflammation, pain, and swelling of the adenoid tissue due to the infection by bacteria and viruses. It occurs primarily in children and may be secondary to an allergy, infection of nose or throat and an obstruction of the eustachian tube. The infection has symptom pain, has symptom redness, has symptom swelling, and has symptom difficulty swallowing. ICD10CM:J35.02 chronic adenoiditis upper respiratory tract disease pain dysphagia swelling symptom