Four-month-old babies hear the sound of snot and don’t see snot, which may be a normal physiological phenomenon, or it may be caused by respiratory tract infections, bronchial asthma and other reasons.
1. Physiological phenomenon: As the respiratory tract of a four-month-old baby is not fully developed. The space in the nasal cavity is relatively small, but the capillaries are more widely distributed, when the baby inhales, the nasal cavity may appear obvious wheezing sound. Parents may mistake the wheezing sound for snot.
2. Respiratory tract infection: when a four-month-old baby has a respiratory tract infection, nasal secretions increase and snot will appear. If the snot is thicker and not easy to discharge, parents may only hear the sound of snot when the baby wheezes, but not see the snot flowing out.
3. Bronchial asthma: when a four-month-old baby is allergic to a substance, the stimulation of allergens will cause respiratory spasms, spasms in the baby’s breathing trachea or bronchial tubes may produce a sound similar to snot.
Four-month-old babies hear the sound of snot but can not see the snot, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.