Dehydration (peds)

This page is for pediatric patients. For adult patients, see: dehydration


1kg body wt = to 1 liter fluid

Clinical Features

  • Decreased urine output
  • Sunken fontanelle
  • Most reliable: [1]
    • Abnormal capillary refill
    • Abnormal respiratory pattern
    • Decreased skin turgor

Differential Diagnosis



  • Ondansteron for vomiting
  • Mild to moderate dehydration: start with trial of oral rehydration therapy
    • Part of ACEP Choosing wisely
    • Provide ORS solution (e.g. Pedialyte) at 50 to 100 mL/kg over 2-4 hours in small doses q5min
    • If the child vomits, wait 15 minutes then try again
    • Provide additional ORS to replace ongoing GI losses
  • Consider Fluid Repletion (IVF) only if severely dehydrated, not tolerating oral intake or failed oral rehydration therapy

See Also

External Links


  1. ↑ Steiner, M. J. (2004) β€˜Is This Child Dehydrated?’, JAMA, 291(22), p. 2746. doi: 10.1001/jama.291.22.2746