TABLE 1.

Clinical Classification of Degree of Dehydration

ParameterMild Dehydration (3–5%)Moderate Dehydration (6–10%)Severe Dehydration (>10%)
Skin turgorNormal/elasticDecreasedVery decreased, tenting
Oral mucosaSlightly dryVery dryParched
TearsSlightly decreasedAbsentAbsent
FontanelleNormal/flatDepressedSunken
Heart rateNormal/slightly increasedIncreasedMarkedly tachycardic
Blood pressureNormalSlightly decreasedDecreased
Urine outputMild oliguriaOliguriaOliguria/anuria
Level of consciousnessAlert/responsiveIrritable, listlessMinimal to nonresponsive
Quality of pulseFull, normal rateRapidRapid and weak
SkinWarm, pinkCool, paleCool, mottling, cyanosis
Weight loss, % of body weight≤56–10>10
  • Modified from Nelson and Oski pediatric textbooks.20,21