nil per os
/nɪl peː ˌoʊ ˈɛs/
nothing by mouth; no food or drink
“The doctor ordered her to be nil per os before surgery.”Add to my deck
/nɪl peː ˌoʊ ˈɛs/
nothing by mouth; no food or drink
“The doctor ordered her to be nil per os before surgery.”Add to my deck