Background: Neonatal Hypernatremic Dehydration (NHD) is a common occurrence in neonates. Hypernatremic dehydration is a lethal condition in neonate which adversely affects central nervous system. It presents usually around 4th postoperative day. Incidence is more common in summer season, due to raise in environmental temperature and due to inadequate water consumption by mother. Important causes of this condition include vomiting, diarrhea, inadequate breast feeding. Hypernatremia carries a high morbidity and mortality and therefore it is important to address the etiological factors to prevent complications. AIM: To investigate the incidence of NHD, to study the clinical profile of neonates with hypernatremic dehydration and determine the outcome of these neonates after appropriate management