Standard Lemma guide

doxazosin

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • General-American: /dɑkˈseɪ.zəs.ɪn/

1

noun

Meaning 1

A drug taken orally in the form of its mesylate C23H25N5O5·CH4O3S to relieve urethral obstruction in benign prostatic hyperplasia and to treat hypertension. It is a derivative of quinazoline that acts to relax smooth muscle by combining with and blocking the activity of an alpha-receptor.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: medicine, pharmacology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

an antihypertensive drug (trade name Cardura) that works by relaxing blood vessels so that blood passes through them more easily; it is also used to treat benign prostatic hyperplasia

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Cardura

Antonyms: none provided

Broader terms: antihypertensive, antihypertensive drug

History

Etymology

Probably from (benzo)d(i)ox(ane) + -azosin.