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
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When to Seek Medical Attention In some circumstances, a healthcare provider may recommend a single preventive dose of doxycycline within 72 hours of tick removal if the bite is considered high risk for Lyme disease.
—
Olivia McIntosh, Martha Stewart, 14 June 2026
The illness is effectively treated with the antibiotic doxycycline.
—Eva Flowe
june 11, Charlotte Observer, 11 June 2026
The patient, who also tested positive for anaplasmosis, was treated with the antibiotic doxycycline and made a full recovery, as reported by The Independent.
—Moná Thomas, PEOPLE, 11 June 2026
But anyone who is not pregnant and does not have neurological symptoms – which require intravenous penicillin – can be cured with a course of another antibiotic, doxycycline, for 14-28 days.
—Casey Pinto, The Conversation, 1 May 2026
See All Example Sentences for doxycycline
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Olivia McIntosh, Martha Stewart, 14 June 2026
The illness is effectively treated with the antibiotic doxycycline.
—Eva Flowe
june 11, Charlotte Observer, 11 June 2026
The patient, who also tested positive for anaplasmosis, was treated with the antibiotic doxycycline and made a full recovery, as reported by The Independent.
—Moná Thomas, PEOPLE, 11 June 2026
But anyone who is not pregnant and does not have neurological symptoms – which require intravenous penicillin – can be cured with a course of another antibiotic, doxycycline, for 14-28 days.
—Casey Pinto, The Conversation, 1 May 2026
See All Example Sentences for doxycycline
Cite this Entry
“Doxycycline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/doxycycline. Accessed 19 Jun. 2026.
Copy CitationMedical Definition
doxycycline
noun
doxy·cy·cline
ˌdäk-sə-ˈsī-ˌklēn
: a broad-spectrum tetracycline antibiotic C22H24N2O8 used orally to treat various bacterial infections
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