per os

adverb
\ ˌpər-ˈōs How to pronounce per os (audio) \

Medical Definition of per os

: by way of the mouth medication administered per os infection per os

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Cite this Entry

“Per os.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/per%20os. Accessed 25 Nov. 2020.

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