Email this page To: From: Subject: Message: NPO – No food/drink before non-surgical procedures - Having an empty stomach can keep your child safe during certain tests or procedures. Learn more about NPO guidelines. - https://www.stjude.org/treatment/patient-resources/caregiver-resources/patient-family-education-sheets/procedures-tests-sedation/npo-no-food-drink-before-non-surgical-procedures.html A summary of this page will be sent along with your message I am a referring physician Yes, I would like to receive email updates. Send Email Your message has been emailed successfully. Thank you for your interest in St. Jude Children's Research Hospital.