<![CDATA[Diarrhea is the third leading cause of death in children under five, causing nutritional deficits that hinder growth, cognitive, and academic performance. Each episode before the age of 2 years increases the risk of stunting by 5%. Systematic data, such as sociodemographic, clinical characteristics, and laboratory characteristics, are important for prevention. This descriptive observational study used a retrospective design based on medical records of children with acute diarrhea treated at Dr. Soetomo General Hospital, Surabaya, from 2021 to 2023. A total of 461 subjects met the criteria; 429 underwent electrolyte imbalance testing, 198 were assessed for urea and creatinine levels, and 68 had their acid-base balance evaluated. A total of 288 subjects (62.5%) were male children; 262 patients (75%) were 0-12 months old; 253 (61%) had good nutritional status; 339 (73.5%) underwent therapy for less than 1 week; and 402 patients (65%) recovered. A total of 40% experienced mild-moderate and severe dehydration with neurologic (16.4%) and respiration comorbidities (16.2%). Electrolyte disturbances included hyponatremia (33.1%), hypokalemia (12.1%), hyperchloremia (50.2%), increased urea (28.3%), abnormal creatinine (35.4%), hypobicarbonate (75%), and acidosis (63.2%). Therefore, early detection and appropriate management are essential to mitigate further complications and improve recovery outcomes.]]>
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