This document presents a case study of neonatal jaundice in a 3-day old male infant. The infant presented with yellowish skin discoloration up to the soles and poor feeding for 1 day. Examination found physiological jaundice that progressed from the face to the soles over 3-4 days, peaking on days 4-6 before resolving by day 12. The diagnosis was physiological jaundice given the timing of onset and resolution without signs of pathology. The infant was treated conservatively with supportive care and monitoring.