The most effective way to treat a cough in a 6-month-old baby does not exist. 6-month-old babies cough can be caused by colds, pneumonia, and rhinitis. Parents can follow the doctor’s instructions to use azithromycin, amoxicillin and other drugs anti-infection treatment, if necessary, need to actively treat rhinitis. 1. Colds: After a baby catches a cold, the body’s resistance drops and bacteria and viruses invade the body, leading to upper respiratory tract infections. Clinical manifestations are throat discomfort, cough, cough sputum and so on. If you consider the possibility of bacterial infection, you can follow the doctor’s instructions to be azithromycin, amoxicillin and other drugs anti-infective treatment, at the same time with aminobromine and other drugs such as nebulizer inhalation therapy to relieve cough and phlegm treatment. 2. Pneumonia: when the baby appeared pneumonia cough, generally due to lung inflammation phlegm, stimulation of the bronchial tubes, stimulation of the respiratory tract caused by. If the bacterial infection can be cefazoxime, azithromycin, amoxicillin and other drugs to follow the doctor’s instructions to anti-infection treatment. 3. rhinitis: rhinitis can also cause the baby cough, you can improve the nasopharyngoscopy and other related examinations, as prescribed by the sea saline nasal spray, negative pressure suction, mometasone furoate nasal spray anti-infective treatment. 6 months baby cough symptoms, parents should take the baby to the regular hospital pediatrics for a clear diagnosis, give targeted treatment.