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Visiting Abroad In The Coming Year? Antibiotics Becoming Less Effective Against Traveler's Diarrhea, Study Warns

On Tuesday, Dec. 30, 2025, researchers reported in JAMA Network Open that antibiotics commonly used for traveler’s diarrhea are becoming less effective.
Researchers found the bacteria are increasingly resistant to two major antibiotic classes, fluoroquinolones and macrolides, while antibiotic overuse is the likely reason, Dr. David Purow said.
The study analyzed 859 cases from 58 tropical medicine centers earlier this month, finding 75% of Campylobacter samples resistant to fluoroquinolones and 16% to macrolides, among other resistance rates.
Experts urged delaying antibiotics and using over-the-counter antidiarrheal medications first, advising travelers to see a doctor rather than self-treating immediately to prevent resistance.
Testing to identify the effective antibiotic can guide treatment, as Dr. Bhawana Amatya's team found wide geographic differences in nonsusceptibility patterns, with Cleveland Clinic providing travel guidance.

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Visiting Abroad In The Coming Year? Antibiotics Becoming Less Effective Against Traveler's Diarrhea, Study Warns

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3 days ago·Missoula, United States

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Antibiotic Resistance Rising in Traveler’s Diarrhea Cases Worldwide

A recent study highlights a growing concern for interna […] The post Antibiotic Resistance Rising in Traveler’s Diarrhea Cases Worldwide first appeared on GeneOnline News. The post Antibiotic Resistance Rising in Traveler’s Diarrhea Cases Worldwide appeared first on GeneOnline News.

3 days ago

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