doxycycline

noun

doxy·​cy·​cline ˌdäk-sə-ˈsī-ˌklēn 

: a broad-spectrum tetracycline antibiotic C₂₂H₂₄N₂O₈ used orally to treat various bacterial infections

Examples of doxycycline in a Sentence

Recent Examples on the Web

If symptoms are present alongside high bacterial levels, a provider may recommend antibiotics, commonly doxycycline or azithromycin. — Hanna Wickes, Sacbee.com, 19 Oct. 2026

When symptoms accompany high bacterial levels, providers may prescribe doxycycline or azithromycin. — Hanna Wickes, Charlotte Observer, 19 Oct. 2026

When symptoms show up alongside high bacterial levels, a provider may recommend antibiotics, commonly doxycycline or azithromycin. — Hanna Wickes, Fort Worth Star-Telegram, 19 Oct. 2026

When caught early, rabbit fever can be effectively treated with antibiotics such as doxycycline, streptomycin, gentamicin, and azithromycin. — Emily Kay Votruba, EverydayHealth.com, 5 Aug. 2026

Word History

Etymology

deoxy- + tetracycline

First Known Use

1966, in the meaning defined above

Rhymes for doxycycline

• minocycline

Medical Definition

doxycycline

noun

doxy·​cy·​cline ˌdäk-sə-ˈsī-ˌklēn 

: a broad-spectrum tetracycline antibiotic C₂₂H₂₄N₂O₈ used orally to treat various bacterial infections