doxycycline

American  

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

noun

Pharmacology.

1. 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.

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doxycycline British  

/ ˌdɒksɪˈsaɪklɪn /

noun

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

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Etymology

Origin of doxycycline

Contraction of deoxytetracycline

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Example Sentences

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

Those treated with doxycycline showed a 30-35 percent lower risk of later developing schizophrenia compared with peers who received other types of antibiotics.

From Science Daily ● Nov. 6, 2025

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

Among them was the prediction that doxycycline, an antibiotic, could interact with warfarin, a commonly prescribed blood-thinner.

From Science Daily ● Feb. 20, 2024

Those at risk should keep doxycycline on hand, as a “pill in pocket,” said Dr. Annie Luetkemeyer, an infectious disease physician at Zuckerberg San Francisco General Hospital and Trauma Center.

From Seattle Times ● Oct. 14, 2023

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