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

Example Sentences

See Examples For:

doxycycline

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

Scientists found that adolescents receiving mental health care who were prescribed the antibiotic doxycycline were significantly less likely to develop schizophrenia later in life than those treated with other 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

Patients who are not pregnant can use the antibiotic doxycycline to treat syphilis, but health officials are concerned that the 14- to 28-day timeline of treatment is difficult to complete, leaving infected people uncured.

From Seattle Times ● Nov. 7, 2023

The most common side effect of doxycycline is nausea, Stewart said.

From Seattle Times ● Oct. 14, 2023