1. Assessment: Measure bilirubin levels and assess risk factors. 2. Phototherapy: Initiate phototherapy based on bilirubin levels and age of the infant. 3. Exchange Transfusion: Consider exchange transfusion for severe cases with high bilirubin levels. 4. Monitoring: Regularly monitor bilirubin levels and the infant's response to treatment. 5. Follow-Up: Ensure follow-up to monitor for potential complications.