Newborn babies may have a transient rattling in the throat. If the sound of phlegm in the throat is light, infrequent, and disappears immediately after removing secretions, it may be a transient phlegm sound and can be observed first.
However, if there is repeated phlegm sound in the throat, which is more obvious when moving, sucking and crying, or even if there is a need to stop and rest several times when feeding, it may indicate congenital laryngeal wheezing or other laryngeal abnormalities, so it is recommended to go to the hospital for examination and judgment.
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