Patient Care

Fasting Guidelines

For the safety of our patients, Columbia Anesthesia Group has adopted the ASA guidelines for NPO (nothing by mouth) status in perioperative patients. Please refer to the table below.
Please be advised that if you have any questions regarding NPO status, call or email our office prior to the day of surgery for an answer.

Any violation of these guidelines can result in delay or cancellation of your procedure.

Clear liquids – 2 hrs

(H2O, fruit juice without pulp, carbonated beverages, clear tea, black coffee plain, chewing tobacco and gum)

Breast milk – 4 hrs
Infant formula – 6 hrs
Non-human milk – 6 hrs
Light meal – 6 hrs

(dry toast and clear liquids)

Regular meals – 8 hrs

(fatty foods)

Lifeline to Modern Medicine
For more patient FAQs and concerns, visit