Also indexed as: Car Sickness, Nausea (Motion Sickness), Sea
Sickness, Travel Nausea
Motion sickness is nausea, vomiting, and related symptoms caused by repetitive angular and
linear acceleration and deceleration.
Checklist for Motion
Sickness
What are the symptoms of motion sickness? Motion sickness is
characterized by cycles of nausea and vomiting. These episodes may be preceded by yawning,
salivation, pallor, cold sweat, and sleepiness. Dizziness, headache, fatigue, and general
discomfort are also common. Once nausea and vomiting develop, a person with motion sickness is
typically weak and unable to concentrate.
How is it treated? Conventional treatment includes
over-the-counter anti-nausea medication, such as
dimenhydrinate (e.g., Dramamine®, TripTone®), and prescription medications taken
orally, rectally, or worn as a patch. Medications commonly prescribed for motion sickness
include anticholinergic drugs, such as scopolamine (e.g., Scopace®, Transderm
Scop®), and antihistamines, such as promethazine
(e.g., Phenergan®, Anergan®). In addition, doctors also recommend getting fresh air,
closing the eyes, and avoiding drinking alcohol.
Herbs that may be helpful:
Ginger may be useful for the prevention and treatment of mild to moderate cases of motion
sickness. A double-blind trial examined the effects of ginger supplements in people who were
susceptible to motion sickness. Researchers found that those taking 940 mg of powdered ginger
in capsules experienced less motion sickness than those who took dimenhydrinate (Dramamine®).1 Another
double-blind trial reported that 1 gram of powdered ginger root, compared with placebo,
lessened seasickness by 38% and vomiting by 72% in a group of naval cadets sailing in heavy
seas.2 Two clinical trials, one with adults and one with children, found that
ginger was as effective in treating seasickness as dimenhydrinate but with fewer side
effects.3 4 In one controlled trial, though, neither powdered ginger
(500 to 1,000 mg) nor fresh ginger (1,000 mg) provided any protection against motion
sickness.5 Doctors prescribing ginger for motion sickness recommend 500 mg one hour
before travel and then 500 mg every two to four hours as necessary. The study with children
used one-half the adult amount.
Ginger’s beneficial effect on motion sickness appears to be related to its action on
the gastrointestinal tract rather than on the central nervous system.6
7
Black horehound (Ballotta nigra, Marrubium
nigrum) is sometimes used by herbalists to treat nausea associated with motion
sickness.8 However, there are no clinical trials to confirm its effectiveness for
treating this condition.
Are there any side effects or interactions? Refer to the individual herb for
information about any side effects or interactions.
Other integrative approaches that may be helpful : Acupuncture, acupressure, and electroacupuncture to specific
points have been found to successfully prevent and treat motion sickness in some,9
10 11 but not all, 12 13 clinical trials.
References:
1. Mowrey DB, Clayson DE. Motion sickness, ginger, and psychophysics.
Lancet 1982;1:655–7.
2. Grontved A, Brask T, Kambskard J, et al. Ginger root against
seasickness. Acta Otolaryngol 1988;105:45–9.
3. Ribenfeld D, Borzone L. Randomized double-blind study comparing ginger
(Zintona®) with dimenhydrinate in motion sickness. Healthnotes Rev Complementary
Integrative Med 1999;6:98–101.
4. Careddu P. Motion sickness in children: results of a double-blind
study with ginger (Zintona®) and dimenhydrinate. Healthnotes Rev Complementary
Integrative Med 1999;6:102–7.
5. Stewart JJ, Wood MJ, Wood CD, Mims ME. Effects of ginger on motion
sickness susceptibility and gastric function. Pharmacology 1991;42:111–20.
6. Holtmann S, Clarke AH, Scherer H, et al. The anti-motion sickness
mechanism of ginger. Acta Otolaryngol 1989;108:168–74.
7. Grontved A, Hentzer E. Vertigo-reducing effect of ginger root.
ORL 1986;48:282.
8. Hoffmann D. The Herbal Handbook: A User’s Guide to Medical
Herbalism. Rochester, New York: Healing Arts Press, 1998, 29.
9. Bertolucci LE, DiDario B. Efficacy of a portable acustimulation device
in controlling seasickness. Aviat Space Environ Med. 1995;66:1155–8.
10. Hu S, Stritzel R, Chandler A, Stern RM. P6 acupressure reduces
symptoms of vection-induced motion sickness. Aviat Space Environ Med
1995;66:631–4.
11. Hu S, Stern RM, Koch KL. Electrical acustimulation relieves
vection-induced motion sickness. Gastroenterology 1992;102:1854–8.
12. Warwick-Evans LA, Masters IJ, Redstone SB. A double-blind placebo
controlled evaluation of acupressure in the treatment of motion sickness. Aviat Space
Environ Med 1991;62:776–8.
13. Bruce DG, Golding JF, Hockenhull N, Pethybridge RJ. Acupressure and
motion sickness. Aviat Space Environ Med 1990;61:361–5.
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The information presented in Healthnotes is for informational
purposes only. It is based on scientific studies (human, animal, or in vitro),
clinical experience, or traditional usage as cited in each article. The results reported may
not necessarily occur in all individuals. For many of the conditions discussed, treatment with
prescription or over-the-counter medication is also available. Consult your doctor,
practitioner, and/or pharmacist for any health problem and before using any supplements or
before making any changes in prescribed medications. Information expires December 2003.
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