What do systematic reviews say?

Antibiotic prophylaxis vs no treatment/placebo

Antibiotic prophylaxis showed no clear difference in any adverse reactions compared with no treatment/placebo (low certainty).

• Interventions for the prevention of recurrent erysipelas and cellulitis 2017 · Cochrane Headline outcomes only
  RR 0.87 [0.58, 1.3]
  4 studies · 469 participants
  Low

Antibiotic prophylaxis vs no treatment/placebo

The review found no eligible studies for this question.

• Interventions for the prevention of recurrent erysipelas and cellulitis 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Minoxidil vs placebo

Minoxidil probably leads to higher the proportion of participants with self‐rated clinically… compared with placebo (moderate certainty).

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  RR 1.93 [1.51, 2.47]
  6 studies · 1148 participants
  Moderate

Minoxidil 2% vs minoxidil 5%

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 209 participants
  Low

Minoxidil 2% vs minoxidil 5%

Minoxidil 2% showed no clear difference in adverse events compared with minoxidil 5% (low certainty).

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  RR 1.02 [0.91, 1.2]
  4 studies · 1006 participants
  Low

Minoxidil 2% vs minoxidil 5%

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 586 participants
  Moderate

Minoxidil 2% vs minoxidil 5%

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 631 participants
  Low

Minoxidil 2% vs minoxidil 5%

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Minoxidil 2% vs minoxidil 5%

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 322 participants
  Moderate

Minoxidil 2% vs minoxidil 5%

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 322 participants
  Moderate

Finasteride vs placebo

Finasteride showed no clear difference in the proportion of participants with self‐rated clinically… compared with placebo (low certainty).

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  RR 0.95 [0.66, 1.37]
  1 study · 137 participants
  Low

Finasteride vs placebo

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Finasteride vs placebo

Finasteride showed no clear difference in adverse events compared with placebo (low certainty).

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  RR 1.03 [0.45, 2.34]
  1 study · 137 participants
  Low

Minoxidil vs placebo

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 260 participants
  Low

Finasteride vs placebo

Finasteride showed no clear difference in proportion of participants with investigator‐rated clinically… compared with placebo (low certainty).

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  RR 0.77 [0.31, 1.9]
  1 study · 137 participants
  Low

Finasteride vs placebo

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 231 participants
  Low

Finasteride vs placebo

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 137 participants
  Low

Finasteride vs placebo

Finasteride showed no clear difference in cosmetic appearance of the hair or participant satisfaction compared with placebo (low certainty).

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  RR 0.78 [0.4, 1.53]
  1 study · 137 participants
  Low

Finasteride vs placebo

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  no estimate extracted
  0 studies · 0 participants
  GRADE not reported

Low‐level laser comb vs Placebo (sham/placebo device)

• Interventions for female pattern hair loss 2016 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 141 participants
  Moderate