Maximum levels of WBC and CRP were 30,000/μL, with 8850/μL of eosinophils and 14.8 mg/dL, respectively. Amino acid formula and extensively hydrolyzed formula were started on the 15th and 28th neonatal day, respectively. The patient was discharged on a diet of extensively hydrolyzed formula with breast-feeding excluded on the 49th neonatal day. Bw, body weight; CRP, C-reactive protein; Eonin, eosinophils; WBC, white blood cell.