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NPO Fasting Guidelines

NPO Fasting Guidelines: Pre-operative fasting recommendations per ASA standards to reduce aspiration risk.

Recommended NPO Duration

2 hours

Examples: Water, black coffee (no cream), tea, clear broth, sports drinks, apple juice

Important Considerations:

  • Start fasting from midnight for morning surgeries
  • Follow your specific surgeon/anesthesiologist instructions
  • Some medications with sips of water may be permitted
  • Pregnant patients: 8 hrs solid, 2 hrs clear liquids
  • Confirm NPO status before procedures

Related Anesthesiology Tools

Aldrete Score
Apfel Score
ARISCAT
ASA Physical Status
Bromage Scale
Child-Pugh Score
Cormack-Lehane Grading
Gupta MICA
Mallampati Classification
RCRI
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