title: Difficulties generated by allergies.
mesh_terms: D001184:Articulation Disorders / Q000209:etiology; D002648:Child; D002658:Developmental Disabilities / Q000209:etiology*; D034381:Hearing Loss / Q000209:etiology; D006801:Humans; D007859:Learning Disabilities / Q000209:etiology*; D012130:Respiratory Hypersensitivity / Q000150:complications* / Q000175:diagnosis