Studies related to Nausea and Peppermint

Enteric-coated, PH-dependent Peppermint Oil Capsules For The Treatment Of Irritable Bowel Syndrome In Children

Effect Decrease
Trial Design Double blind
Trial Length 1-2 Weeks
Number of Subjects 42
Gender Both Genders
Age Range 7-12, 13-17
Body Types Average
Notes for this study:
0.1mL of peppermint oil thrice daily (or a single dose of 0.2mL) to children with IBS was able to provide relief to pain symptoms associated with the disease state, with 76% of the intervention reporting benefits relative to 19% in placebo.

Peppermint Oil: A Treatment For Postoperative Nausea

Effect Decrease
Trial Design Double blind
Trial Length 24 hours
Number of Subjects 18
Gender Both Genders
Notes for this study:
A small pilot study in women after surgery who experienced nausea reported that the oil of peppermint as aromatherapy (with a 50% menthol content) was associated with less nausea than both placebo (peppermint essence without menthol) and control. Study is limited by size.

Examination Of The Effectiveness Of Peppermint Aromatherapy On Nausea In Women Post C-section

Effect Decrease
Trial Design Cohort
Trial Length 24 hours
Number of Subjects 35
Gender Both Genders
Age Range 18-29, 30-44
Notes for this study:
Inhalation of peppermint oil in women following a C-section surgery was effective in reducing nausea in women when the aromatherapy is administered after women begin to feel nauseous. Study was not effectively blinded as there were many dropouts from women who were not assigned to peppermint, and sedation was not reported as a side-effect.

An Investigation Into The Use Of Aromatherapy In Intrapartum Midwifery Practice

Effect Decrease
Trial Design Cohort
Trial Length 1-7 Days
Number of Subjects 1104
Gender Female
Age Range 18-29, 30-44
Notes for this study:
Although the sample size was initially large (8,058), a smaller cohort using peppermint specifically for nausea (1,104) noted that peppermint inhalation as aromatherapy was associated with significantly less nausea.

Aromatherapy With Peppermint, Isopropyl Alcohol, Or Placebo Is Equally Effective In Relieving Postoperative Nausea

Effect None
Trial Design Double blind
Trial Length 24 hours
Number of Subjects 33
Gender Both Genders
Age Range 18-29, 30-44, 45-64
Notes for this study:
Inhalation of peppermint for 2-5 minutes in persons with postoperative nausea was effective in reducing symptoms of nausea, but this potency was similar to placebo therapy. This study utilized controlled breathing techniques (which the author hypothesized to be the reason behind the reductions in nausea), but the blinding technique (nurses wearing peppermint) may have confounded the results