Ginger and nausea
What 3 graded rows on ginger agree on for nausea, and where they differ. Counted side by side, never averaged.
Consensus finder Rows from the Ginger page, reviewed Oct 21, 2026 How it decides
What the rows agree on
Each block and row is one graded row from the Ginger page, with its PubMed record.
Your question
Ginger and nausea
3 rows · 3,580 peopleMostly an improvement: 2 of 3 rows, and most of the people. 1 had mixed results.
- BGrade B× 1
- CGrade C× 2
- Rows
- 3
- Trials
- 31
- People
- 3,580
- Pooled reviews may count some twice
What the rows share
From the rowsThe best-graded row, grade B, is a meta-analysis of 1,278 people (2014) and found an improvement.
The rows run from 103 to 2,199 people, published from 2014 to 2024: 2 pooled reviews and 1 single study.
The rows
2 improved · 1 mixed- BGrade BNausea in pregnancy · Improved
Meta-analysis, 12 studies · n 1,278 · 2014 · Pregnant women with nausea and vomiting in 12 trials
Varied; subgroups favoured under 1,500 mg/day · Varied across trials
Nausea improved versus placebo (MD 1.20); vomiting episodes did not fall significantly (p=0.06). No increased risk of miscarriage, heartburn or drowsiness was found.
- CGrade CChemotherapy-induced nausea · Improved
RCT · n 103 · 2024 · Chemotherapy-naive adults on moderately to highly emetogenic chemotherapy (Australia)
4 capsules/day (84 mg gingerols/shogaols) for 5 days per cycle · 3 chemotherapy cycles
Nausea-related quality of life, delayed nausea and fatigue improved versus placebo; delayed vomiting at cycle 3 was 2% vs 23%.
- CGrade CNausea and vomiting after surgery · Mixed
Meta-analysis, 18 studies · n 2,199 · 2023 · Surgical patients in 18 randomised trials of ginger for preventing postoperative nausea and vomiting
Varied across trials · Around surgery
No ginger preparation reduced postoperative nausea more than placebo; ginger oil reduced postoperative vomiting (RR 0.39). Nausea intensity and rescue antiemetic use fell with ginger powder and oil.