A systematic review of the impacts of oral tetracycline class antibiotics on antimicrobial resistance in normal human flora
07 March 2022
There is interest in doxycycline as prophylaxis against sexually transmitted infections (STIs), but concern about antimicrobial resistance (AMR). We conducted a systematic review (CRD42021273301) of the impact of oral tetracycline-class antibiotics on AMR in normal flora.
Although the effects are modest and transient, limited data from small prospective studies may suggest that oral tetracyclines for 2–18 weeks increase resistance in subgingival, gastrointestinal and upper respiratory tract flora. STI prophylaxis trials should include AMR in commensal bacteria as study outcomes.
Further reading: JAC-Antimicrobial resistance
Author(s): Robinson Truong, Vincent Tang, Troy Grennan, Darrell H. S. TanHealthy Patients
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