7-month-old baby bronchitis can be treated for the cause and symptoms, performance: 1, bronchitis is generally due to viral or bacterial infection of the bronchial tubes and caused by the disease, can be anti-inflammatory treatment through the use of cefixime granules. 2, the need for symptomatic treatment of different clinical manifestations, the child coughing up more sputum can be combined with the use of aminobromine hydrochloride oral solution and other medications that have the effect of phlegm to help discharge phlegm, if the child has a low fever can be used to relieve fever patches to relieve the symptoms. If the child has a low fever, you can use antipyretic patches to alleviate the symptoms, and a temperature higher than 38.5 ℃ can take acetaminophen suspension and other antipyretic drugs to alleviate the symptoms.