Take your baby’s coughs seriously and get your baby checked immediately if: - He has started coughing right after few weeks of birth. - He coughs without feeding. - He has been coughing for 8 weeks. - His cough gets worse by the 3rd week. - He's having trouble breathing. - He's having night sweats, weight loss, or blood coughs. - He has a wet or dry cough without wheezing or fast breathing all day long.