What Does DEX Mean in Medical Terms?

DEX stands for dexamethasone (antenatal). Alternative steroid for fetal lung maturity.

dexamethasone (antenatal)

Alternative steroid for fetal lung maturity.

Where you will see DEX

You will most often see DEX in maternity and women’s health records, medication orders and prescriptions.

Example

A medication order might be written with “DEX” as shorthand for dexamethasone (antenatal).

Related abbreviations

Browse the full Medical Abbreviations guide — 5,715 entries, searchable A–Z and by specialty.

Educational reference only. This guide is for learning and quick reference. Abbreviations vary between hospitals, countries and specialties, and some are discouraged because they can be misread. Always write and interpret orders using your own institution’s approved abbreviation list, and check anything unclear with the prescriber or your local policy.