Findings

What do systematic reviews say?

3 questions · 3 findings · 2 reviews

Sort:Best matchNewest Highest certainty Download CSV

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 2 · 66.7%Low 1 · 33.3%Moderate 0 · 0%High 0 · 0%

Hydroxyzine 25 mg vs placebo

Withdrawals due to adverse events · patients with chronic spontaneous urticaria

Hydroxyzine 25 mg showed no clear difference in adverse events leading to withdrawal: intermediate‐term duration of… compared with placebo (low certainty).

1 finding from 1 review

H1‐antihistamines for chronic spontaneous urticaria 2014 · Cochrane Headline outcomes only
RR 3.64 [0.77, 17.23]
2 studies · 270 participants
Low

Hydroxyzine vs Different dosage/timing of hydroxyzine

Behaviour · Children and adolescents (0 to 16 years) needing dental treatment

1 finding from 1 review

Sedation of children undergoing dental treatment 2018 · Cochrane All outcomes
Any behavioural score - Hydroxyzine: 30 (1 study); VERY LOW. Insufficient evidence to determine whether any specific dose of hydroxyzine is effective.
1 study · 30 participants
Very low

Chloral hydrate/hydroxyzine vs A different sedative agent

Behaviour · Children and adolescents (0 to 16 years) needing dental treatment

1 finding from 1 review

Sedation of children undergoing dental treatment 2018 · Cochrane All outcomes
Any behavioural score - Chloral hydrate/hydroxyzine versus (other sedatives): 235 (6); VERY LOW
6 studies · 235 participants
Very low