Showing results for doxycycline. Search instead for dideoxycytosine.

doxycycline

American

[dok-see-sahy-kleen, -klin] / ˌdɒk siˈsaɪ klin, -klɪn /

noun

Pharmacology.

a synthetic analog of a broad-spectrum antibiotic tetracycline drug, C 22 H 24 N 2 O 8 , used against a wide range of susceptible Gram-positive and Gram-negative organisms.

doxycycline British

/ ˌdɒksɪˈsaɪklɪn /

noun

a tetracycline antibiotic used to treat conditions caused by a wide range of bacteria, including anthrax

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of doxycycline

Contraction of deoxytetracycline

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

doxycycline

Paul Keim, plague researcher and professor at Northern Arizona University, also said there is no reason for people in North America to start taking doxycycline.

From Barron's ● Oct. 8, 2026

One of the first things they did as husband and wife was to take doxycycline pills from their local health centre.

From BBC ● Jul. 23, 2025

That data also confirmed the model's predictions that the absorption of doxycycline is affected by digoxin, levetiracetam, and tacrolimus.

From Science Daily ● Feb. 20, 2024

To test those predictions, the researchers looked at data from about 50 patients who had been taking one of those three drugs when they were prescribed doxycycline.

From Science Daily ● Feb. 20, 2024

Here’s what to know about doxycycline, called DoxyPEP when taken after exposure, and how to use it.

From Seattle Times ● Oct. 14, 2023

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023