Your baby’s breathlessness is most likely related to colds, bronchial asthma, pneumonia or bronchitis. 1. Colds: When babies have colds, they are likely to suffer from nasal congestion, which can cause them to breathe poorly, resulting in breathlessness and whimpering. 2. Bronchial asthma: if the baby suffers from bronchial asthma, when the disease attack, there will often be wheezing and other accompanying symptoms, when the condition is serious, the baby will open his mouth to breathe, and the symptoms of nasal agitation, which can be manifested in the stomach always hold his breath and puffing. 3. Pneumonia or bronchitis: these two diseases may also make babies suffer from breathlessness and panting, in addition to coughing and phlegm. There may be other reasons for your baby’s breathlessness, so don’t judge your baby’s condition based on the symptoms. We recommend that you consult a doctor in time to complete the examination, make a clear diagnosis, and take active treatment.