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Pediatric Dehydration Assessment

Clinical Signs

Dehydration Assessment

None / Minimal

No or minimal dehydration (< 3% fluid deficit)

About

The Pediatric Dehydration Assessment is based on the WHO clinical dehydration scale. It evaluates six clinical signs to classify dehydration severity in children with diarrhea or vomiting. The assessment guides fluid replacement therapy: minimal dehydration can be managed with oral rehydration at home, moderate dehydration requires supervised oral rehydration therapy (ORT), and severe dehydration requires immediate IV fluid resuscitation.

Formula

Score = Sum of 6 clinical sign scores (0–12)
0–2: No/minimal dehydration (<3%)
3–6: Some dehydration (~5%)
7–12: Severe dehydration (≥10%)

Interpretation

ScoreSeverityFluid DeficitTreatment
0 – 2Minimal< 3%Home oral rehydration
3 – 6Moderate (~5%)~50 mL/kgSupervised ORT (4 hours)
7 – 12Severe (≥10%)≥100 mL/kgIV fluids immediately

References

  1. World Health Organization. The Treatment of Diarrhoea: A Manual for Physicians and Other Senior Health Workers. WHO; 2005.
  2. Freedman SB, et al. Diagnosing clinically significant dehydration in children with acute gastroenteritis using non-invasive methods: a meta-analysis. J Pediatr. 2015;166(4):908-916.

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Disclaimer

For educational and informational purposes only. Not intended to replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional.