If the baby is not well on medication, consider taking the wrong medication. It is recommended that parents take the baby to the hospital for routine blood tests, sputum, nasal and pharyngeal swab culture to detect mycoplasma, according to the test results, specific treatment is as follows: 1. Anti-viral treatment: If the lymphocyte ratio is elevated, suggesting a viral infection, you can take ribavirin pellets under the guidance of a doctor. 2. If the percentage of eosinophils is elevated, or if the nasal or pharyngeal swab is positive for mycoplasma, you can take azithromycin pellets to improve the cough symptoms, and follow the doctor’s instructions for the dosage and duration of treatment to ensure the safety and effectiveness of the medication. The dosage and duration of treatment should be as prescribed by the doctor to ensure the safety and effectiveness of the medication.