▲Recurrent symptoms of nasal congestion and coughing may not necessarily be a cold, but may be caused by allergies. [Rhinal sensitivity/allergic rhinitis/tracheal sensitivity/allergy/cold/nasal congestion/cough]Nasal sensitivity and tracheal sensitivity are common allergies in children. 3-year-old Yu had symptoms of nasal congestion and cough earlier this year. He took the cold medicine prescribed by his family doctor … Continue reading Nasal and Tracheal Allergies in Children: Symptoms, Diagnosis, and Treatment