Ad Usum Externum

Also known as: Ad us., For external use

Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.

This entry defines the Latin abbreviation "ad us. extern." used in medical prescriptions. It stands for "ad usum externum," meaning "for external use."

Encyclopedia entry (1928–1936)

AD US. EXTERN., a Latin abbreviation in a prescription, stands for ad usum externum—for external use.

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Cite this page

“Ad Usum Externum.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/ad-usum-externum/