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When does CDC say inability to keep liquids down needs emergency care?

After more than 4 hours.

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  1. After 24 hours
  2. After 12 hours
  3. After more than 4 hours ✔

Why: Not keeping liquids down can quickly lead to dehydration during illness. CDC says to go to the emergency room after more than four hours.

Huh, didn't know that: CDC also lists vomiting or severe diarrhea for more than 6 hours as an emergency.

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References

Answer: After more than 4 hours. Not keeping liquids down can quickly lead to dehydration during illness. CDC says to go to the emergency room after more than four hours.

  1. CDC Managing Sick Days www.cdc.gov/diabetes/living-with/managing-sick-days.html
    You can't keep any liquids down for more than 4 hours
    Checked 2026-10-09.

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