Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

173 questions · 174 findings · 12 reviews · Headline outcomes only

No studies found 34 · 19.5%GRADE not reported 26 · 14.9%Very low 34 · 19.5%Low 40 · 23%Moderate 25 · 14.4%High 15 · 8.6%

Doxycycline vs quinolones

Bacteriological failure · Adults and children with cholera diarrhoea

Doxycycline may leads to higher bacteriological failure compared with quinolones (low certainty).

1 finding from 1 review

Doxycycline 40 mg + azelaic acid gel vs doxycycline 40 mg + metronidazole gel

Physician‐assessed improvement in rosacea severity · Participants with rosacea

Doxycycline 40 mg + azelaic acid gel showed no clear difference in physician‐assessed improvement in rosacea severity Investigator's… compared with doxycycline 40 mg + metronidazole gel (high certainty).

1 finding from 1 review

Doxycycline 40 mg + azelaic acid gel vs doxycycline 40 mg + metronidazole gel

Participant‐assessed improvement in rosacea severity · Participants with rosacea

Doxycycline 40 mg + azelaic acid gel showed no clear difference in participant‐assessed improvement in rosacea severity Excellent… compared with doxycycline 40 mg + metronidazole gel (high certainty).

1 finding from 1 review