What do systematic reviews say?

Famciclovir vs placebo

Famciclovir showed no clear difference in duration of attack of recurrent herpes labialis during use of the… compared with placebo (moderate certainty).

• Interventions for prevention of herpes simplex labialis (cold sores on the lips) 2015 · Cochrane Headline outcomes only
  HR 1.63 [0.84, 3.15]
  1 study · 47 participants
  Moderate

Finasteride 5 mg to 7.5 mg vs placebo

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 54 participants
  Very low

Finasteride 5 mg to 7.5 mg vs placebo

The review found no eligible studies for this question.

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Finasteride 5 mg to 7.5 mg vs placebo

It is very uncertain whether finasteride 5 mg to 7.5 mg changes proportion of participants who reported an adverse event compared with placebo (very low certainty).

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  RR 1.13 [0.48, 2.67]
  3 studies · 67 participants
  Very low

Finasteride 5 mg to 7.5 mg vs placebo

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 62 participants
  Very low

Finasteride 5 mg to 7.5 mg vs placebo

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 52 participants
  Low

Finasteride 5 mg to 7.5 mg vs placebo

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 24 participants
  Very low

Finasteride 5 mg to 7.5 mg vs placebo

The review found no eligible studies for this question.

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Finasteride 5 mg vs spironolactone 100 mg

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 34 participants
  Low

Finasteride 5 mg vs spironolactone 100 mg

The review found no eligible studies for this question.

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Finasteride 5 mg vs spironolactone 100 mg

Finasteride 5 mg showed no clear difference in proportion of participants who reported an adverse event compared with spironolactone 100 mg (moderate certainty).

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  RR 0.2 [0.03, 1.41]
  1 study · 20 participants
  Moderate

Finasteride 5 mg vs spironolactone 100 mg

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 34 participants
  Low

Finasteride 5 mg vs spironolactone 100 mg

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 34 participants
  Low

Finasteride 5 mg vs spironolactone 100 mg

The review found no eligible studies for this question.

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Finasteride 5 mg vs spironolactone 100 mg

The review found no eligible studies for this question.

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Finasteride 5 mg vs flutamide 250 mg once to b.i.d.

Finasteride 5 mg showed no clear difference in participant‐reported improvement of hirsutism 4‐point Likert scale compared with flutamide 250 mg once to b.i.d. (low certainty).

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  RR 0.63 [0.31, 1.25]
  1 study · 20 participants
  Low

Finasteride 5 mg vs flutamide 250 mg once to b.i.d.

The review found no eligible studies for this question.

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Finasteride 5 mg vs flutamide 250 mg once to b.i.d.

It is very uncertain whether finasteride 5 mg changes proportion of participants who reported an adverse event compared with flutamide 250 mg once to b.i.d. (very low certainty).

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  RR 3.87 [0.57, 26.24]
  3 studies · 115 participants
  Very low

Finasteride 5 mg vs flutamide 250 mg once to b.i.d.

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 226 participants
  Very low

Finasteride 5 mg vs flutamide 250 mg once to b.i.d.

• Interventions for hirsutism (excluding laser and photoepilation therapy alone) 2015 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 226 participants
  Moderate