Findings

What do systematic reviews say?

4,756 questions · 13,493 findings · 1,305 reviews · Headline outcomes only

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No studies found 2,594 · 19.2%GRADE not reported 728 · 5.4%Very low 2,868 · 21.3%Low 3,777 · 28%Moderate 2,620 · 19.4%High 906 · 6.7%

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Dietary intervention (probiotics) vs placebo

Improvement in vertigo · adults with vestibular migraine

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for prophylaxis of vestibular migraine 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Dietary intervention (probiotics) vs placebo

Change in vertigo (global score) · adults with vestibular migraine

1 finding from 1 review

Non‐pharmacological interventions for prophylaxis of vestibular migraine 2023 · Cochrane Headline outcomes only
no estimate extracted
1 study · 204 participants
Very low

Dietary intervention (probiotics) vs placebo

Change in vertigo frequency · adults with vestibular migraine

1 finding from 1 review

Non‐pharmacological interventions for prophylaxis of vestibular migraine 2023 · Cochrane Headline outcomes only
no estimate extracted
1 study · 204 participants
Very low

Dietary intervention (probiotics) vs placebo

Serious adverse events · adults with vestibular migraine

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for prophylaxis of vestibular migraine 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Triptans vs placebo

Improvement in vertigo · adults with acute attacks of vestibular migraine

It is very uncertain whether triptans changes improvement in vertigo (global score) ‐ up to 2 hours compared with placebo (very low certainty).

1 finding from 1 review

Pharmacological interventions for acute attacks of vestibular migraine 2023 · Cochrane Headline outcomes only
RR 0.84 [0.66, 1.07]
2 studies · 262 participants
Very low

Triptans vs placebo

Change in vertigo · adults with acute attacks of vestibular migraine

The review found no eligible studies for this question.

1 finding from 1 review

Pharmacological interventions for acute attacks of vestibular migraine 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Triptans vs placebo

Serious adverse events · adults with acute attacks of vestibular migraine

1 finding from 1 review

Pharmacological interventions for acute attacks of vestibular migraine 2023 · Cochrane Headline outcomes only
no estimate extracted
1 study · 114 participants
Very low

tDCS vs placebo

Improvement in vertigo · adults with PPPD

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Vestibular rehabilitation vs placebo or no treatment

Serious adverse events · adults with PPPD

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Vestibular rehabilitation vs placebo or no treatment

CI: Confidence interval · adults with PPPD

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

tDCS vs placebo

Change in vertigo · adults with PPPD

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

tDCS vs placebo

Serious adverse events · adults with PPPD

1 finding from 1 review

Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) 2023 · Cochrane Headline outcomes only
no estimate extracted
1 study · 21 participants
Very low

Talking therapies or stress management vs placebo or no treatment

Improvement in vertigo · adults with PPPD

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Talking therapies or stress management vs placebo or no treatment

Change in vertigo · adults with PPPD

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Talking therapies or stress management vs placebo or no treatment

Serious adverse events · adults with PPPD

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Talking therapies or stress management vs placebo or no treatment

CI: Confidence interval · adults with PPPD

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Vestibular rehabilitation vs placebo or no treatment

Improvement in vertigo · adults with PPPD

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Vestibular rehabilitation vs placebo or no treatment

Change in vertigo · adults with PPPD

The review found no eligible studies for this question.

1 finding from 1 review

Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Topical repellents vs placebo or no treatment

Malaria infection incidence alone( · people living in malaria‐endemic areas

Topical repellents showed no clear difference in malaria infection incidence alone( compared with placebo or no treatment (low certainty).

1 finding from 1 review

Topical repellents for malaria prevention 2023 · Cochrane Headline outcomes only
Rate ratio 0.76 [0.56, 1.02]
1 study · 12813 participants
Low

Topical repellents vs placebo or no treatment

Malaria case incidence alone( · people living in malaria‐endemic areas

Topical repellents showed no clear difference in malaria case incidence alone( compared with placebo or no treatment (low certainty).

1 finding from 1 review

Topical repellents for malaria prevention 2023 · Cochrane Headline outcomes only
Rate ratio 0.66 [0.32, 1.36]
48838 participants
Low