evidencegaps
Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

24 questions · 24 findings · 1 reviews · ENT

Sort:Best matchNewestHighest certaintyDownload CSV
No studies found 11 · 45.8%GRADE not reported 0 · 0%Very low 6 · 25%Low 6 · 25%Moderate 1 · 4.2%High 0 · 0%

Antihistamines vs placebo

Adverse effects: 1. Sedation · patients with motion sickness

Antihistamines may leads to higher adverse effects: sedation Assessed by: adverse effect questionnaire… compared with placebo (low certainty).

1 finding from 1 review

Antihistamines vs placebo

Adverse effects: impaired cognition Assessed by: adverse effect questionnaire (presence or absence given numerical values) · patients with motion sickness

Antihistamines showed no clear difference in adverse effects: impaired cognition Assessed by: adverse effect… compared with placebo (low certainty).

1 finding from 1 review

Antihistamines vs placebo

Adverse effects ‐ Blurred vision No of patients with blurred vision · patients with motion sickness

Antihistamines showed no clear difference in adverse effects: blurred vision Assessed by: adverse effect… compared with placebo (low certainty).

1 finding from 1 review

Antihistamines vs scopolamine

Proportion of susceptible participants who did not experience any motion sickness symptoms under natural conditions Assessed by: self‐reported questionnaires6,7 · patients with motion sickness

It is very uncertain whether antihistamines changes proportion of susceptible participants who did not experience any… compared with scopolamine (very low certainty).

1 finding from 1 review