doxy·​cy·​cline | \ ˌdäk-sə-ˈsī-ˌklēn How to pronounce doxycycline (audio) \

Definition of doxycycline

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

Examples of doxycycline in a Sentence

Recent Examples on the Web According to the Mayo Clinic, oral antibiotics are the standard treatment for early-stage Lyme disease and include doxycycline, amoxicillin or cefuroxime, depending on age and health condition. Adrianna Rodriguez, USA TODAY, "Justin Bieber’s Lyme disease diagnosis: What are symptoms, treatments?," 9 Jan. 2020 While there isn’t a definitive treatment regimen for this condition, the antibiotic doxycycline has been shown to help patients who have it, the CDC says. Patia Braithwaite, SELF, "8 Tick-Borne Illnesses That Aren’t Lyme Disease," 26 July 2019 Some antibiotics, such as minocycline and doxycycline, can treat prurigo pigmentosa. Samantha Lauriello,, "Keto Rash Is the Latest Side Effect of the Low-Carb Diet—Here's How to Treat It," 29 July 2019 The Missouri patient was treated with doxycycline for four weeks, and his symptoms resolved. Alexandria Hein, Fox News, "Man's painful bacterial infection linked to pet cat," 12 Sep. 2018 And the other standard antibiotic for these issues, doxycycline, doesn’t work for everyone either. Claire Gillespie, SELF, "The FDA Just Approved the First Test for Mycoplasma Genitalium, a Commonly Misdiagnosed STI," 1 Feb. 2019 Some infections like Babesia can’t be treated with doxycycline and need to be treated with a parasite medicine. Cathy Cassata, Fox News, "This family learned tick bites can transmit more than Lyme disease," 23 June 2018 If a tick is in place longer than 36 hours, then a single, 200-mg dose of doxycycline usually prevents Lyme disease when given within 72 hours after the tick bite occurs. Andrea K. Mcdaniels,, "Ask the expert: With Lyme disease on the rise, here's how you can protect yourself," 3 July 2018 Antibiotics commonly used for oral treatment include doxycycline, amoxicillin, or cefuroxime axetil. Kara Driscoll, ajc, "Lyme disease: 7 questions answered about tick-borne infections," 7 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'doxycycline.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of doxycycline

1966, in the meaning defined above

History and Etymology for doxycycline

deoxy- + tetracycline

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Time Traveler for doxycycline

Time Traveler

The first known use of doxycycline was in 1966

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Statistics for doxycycline

Last Updated

19 Jan 2020

Cite this Entry

“Doxycycline.” Dictionary, Merriam-Webster, Accessed 19 Feb. 2020.

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More Definitions for doxycycline


doxy·​cy·​cline | \ ˌdäk-sə-ˈsī-ˌklēn How to pronounce doxycycline (audio) \

Medical Definition of doxycycline

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

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