Allergy affecting the head and neck.
D000293:Adolescent; D003371:Cough / Q000209:etiology; D006801:Humans; D006967:Hypersensitivity / Q000150:complications* / Q000175:diagnosis / Q000628:therapy; D010038:Otorhinolaryngologic Diseases / Q000188:drug therapy / Q000209:etiology*; D012882:Skin Tests