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. 2003 Aug;79(4):318–319. doi: 10.1136/sti.79.4.318

Tetracycline treatment does not eradicate Mycoplasma genitalium

L Falk 1, H Fredlund 1, J Jensen 1
PMCID: PMC1744713  PMID: 12902584

Abstract

Methods: All M genitalium positive patients (34 men and 26 women) attending an STD clinic during a 6 month period were treated with antibiotics. All patients known to be partners of M genitalium positive patients and those who were M genitalium positive, but not initially treated, were treated with azithromycin. Patients with urethritis and/or cervicitis were treated with tetracyclines before their M genitalium status was known.

Results: 10 of 14 women (71%) and 10 of 16 men (63%) treated with tetracyclines were M genitalium positive at follow up, whereas all patients treated with azithromycin (16 men and 20 women) were M genitalium negative, at the 4 week follow up visit.

Conclusions: These results suggest that tetracyclines are not sufficient to eradicate M genitalium. Randomised controlled treatment trials are urgently needed.

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