Why does my baby have a stuffy nose? There are many reasons for a baby\’s nasal congestion, the most common of which is a cold. Colds are the main cause of nasal congestion in babies, because colds can cause inflammation of the nasal mucosa, increase secretions, and block the nasal passages. In addition, air pollution and allergies are also causes of nasal congestion in babies. For example, babies may be allergic to pollen, dust, hair, smoke, etc., which can also cause nasal congestion. In addition, the baby\’s nose is too dry, seasonal changes, climate changes and sleeping posture at night may cause the baby\’s nasal congestion. How to relieve baby\’s nasal congestion? Many parents are dealing with babies