Findings

What do systematic reviews say?

3 questions · 4 findings · 1 reviews · Pregnancy and Childbirth

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 3 · 75%Low 1 · 25%Moderate 0 · 0%High 0 · 0%

Antihistamines vs placebo

Nausea · preventing nausea and vomiting

It is very uncertain whether antihistamines changes nausea ‐ intraoperative compared with placebo (very low certainty).

2 findings from 1 review

Interventions for preventing nausea and vomiting in women undergoing regional anaesthesia for caesarean section 2021 · Cochrane Headline outcomes only
RR 0.99 [0.47, 2.11]
1 study · 149 participants
Very low
Interventions for preventing nausea and vomiting in women undergoing regional anaesthesia for caesarean section 2021 · Cochrane Headline outcomes only
RR 0.44 [0.3, 0.64]
4 studies · 514 participants
Low

Antihistamines vs placebo

Vomiting ‐ intraoperative · preventing nausea and vomiting

1 finding from 1 review

Interventions for preventing nausea and vomiting in women undergoing regional anaesthesia for caesarean section 2021 · Cochrane Headline outcomes only
no estimate extracted
1 study · 149 participants
Very low

Antihistamines vs placebo

Vomiting ‐ postoperative · preventing nausea and vomiting

It is very uncertain whether antihistamines changes vomiting ‐ postoperative compared with placebo (very low certainty).

1 finding from 1 review

Interventions for preventing nausea and vomiting in women undergoing regional anaesthesia for caesarean section 2021 · Cochrane Headline outcomes only
RR 0.48 [0.29, 0.81]
3 studies · 333 participants
Very low