Association of Renal-tubular Acidosis in Children With Cow Milk Protein Allergy

This is a cross-sectional study that will be conducted over 6 months at the pediatric department, Sohag University Hospital, Sohag, Egypt. Children proved to be with cow milk protein allergy by oral challenge test after stabilization and prevention of cow protein with Age group from 3 months up to 3 years attending outpatient clinic at Sohag University Hospital will be included in the study. The study participants will be subjected to full history taking and thorough clinical examination at the pediatric outpatient clinic and their medical files will be reviewed.