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Pediatric Dehydration — NCLEX Cheat Sheet

Sunken fontanel = severe sign

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👤 By the CinnaRN Clinical Content Team 🕐 Updated 2026-07-11 🏷️ Physiological Adaptation 🔖 Free to read, print, and share

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Use this quick-reference guide to spot, treat, and prevent Pediatric Dehydration on the NCLEX. Keep it handy during review and on exam day!

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What to look for

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Key numbers

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Nursing actions

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Notify / act now

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Early signs include dry mucous membranes, decreased urine output, no tears when crying, and irritability.

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