Pediatric Dehydration (Clinical Dehydration Scale) Calculator

Clinical Dehydration Scale (CDS) for severity of dehydration in young children (0–8).

For educational and clinical reference. Not a substitute for medical judgment. See the medical disclaimer.
Score
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Interpretation
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References

  1. Goldman RD, Friedman JN, Parkin PC. Validation of the clinical dehydration scale for children with acute gastroenteritis. Pediatrics. 2008;122(3):545-549.

How to use

  1. Select the finding for general appearance, eyes, mucous membranes, and tears.
  2. The total CDS (0–8) and dehydration severity update instantly.
  3. Confirm with pre-illness weight where available.

Frequently asked questions

What is the Clinical Dehydration Scale?

A validated 4-item paediatric scale (general appearance, eyes, mucous membranes, tears) scoring 0–8 to estimate dehydration severity in children 1 month–5 years with gastroenteritis.

How is the CDS interpreted?

0 = no dehydration, 1–4 = some dehydration, 5–8 = moderate/severe dehydration. Higher scores predict longer stay and need for IV fluids.

Does this replace weight-based assessment?

No — comparing current to pre-illness weight remains the reference standard; the CDS is a practical bedside adjunct.

Which children was it validated in?

Children aged 1 month to 5 years presenting with vomiting and/or diarrhea.

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