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[[Image:Seasick scuba diver.jpg|thumb|right|200px|'''Seasickness''' can be hazardous for scuba divers]]
[[Image:Seasick scuba diver.jpg|thumb|right|200px|'''Seasickness''' can be hazardous for scuba divers]]
{{About|the type of motion sickness||Seasick (disambiguation){{!}}Seasick}}
{{About|the type of motion sickness||Seasick (disambiguation){{!}}Seasick}}
'''Seasickness''' is a form of [[motion sickness]] characterized by a feeling of [[nausea]] and, in extreme cases, [[Vertigo (medical)|vertigo]], experienced after spending time on a craft on [[water]].<ref name=benson>{{cite book |first=Alan J. |last=Benson |editors=Kent B. Pandoff and Robert E. Burr |title=Medical Aspects of Harsh Environments |volume=2 |chapter=Motion Sickness |chapterurl=http://www.bordeninstitute.army.mil/published_volumes/harshEnv2/HE2ch35.pdf |publisher=[[Borden Institute]] |location=[[Washington, D.C.]] |year=2002 |url=http://www.bordeninstitute.army.mil/published_volumes/harshEnv2/harshEnv2.html |accessdate=29 June 2009 |pages=1048–1083 |isbn=978-0-16-051184-4}}</ref> It is typically brought on by the rocking motion of the craft. Some people are particularly vulnerable to the condition with minor stimulus, while others are relatively immune, or become immune through exposure.<ref name=benson/> It is hazardous for [[scuba diver]]s<ref>{{cite journal |author=Norfleet WT, Peterson RE, Hamilton RW, Olstad CS |title=Susceptibility of divers in open water to motion sickness |journal=Undersea Biomedical Research |volume=19 |issue=1 |pages=41–7 |year=1992 |month=January |pmid=1536062 |url=http://archive.rubicon-foundation.org/2621 |accessdate=2009-07-16}}</ref> who, through [[dehydration]] following [[vomiting]], are at increased risk of [[decompression illness]].
'''Seasickness''' is a neurological [[disorder]] and a form of [[motion sickness]] characterized by a feeling of [[nausea]] and, in extreme cases, [[Vertigo (medical)|vertigo]], experienced after spending time on a craft on [[water]].<ref name=benson>{{cite book |first=Alan J. |last=Benson |editors=Kent B. Pandoff and Robert E. Burr |title=Medical Aspects of Harsh Environments |volume=2 |chapter=Motion Sickness |chapterurl=http://www.bordeninstitute.army.mil/published_volumes/harshEnv2/HE2ch35.pdf |publisher=[[Borden Institute]] |location=[[Washington, D.C.]] |year=2002 |url=http://www.bordeninstitute.army.mil/published_volumes/harshEnv2/harshEnv2.html |accessdate=29 June 2009 |pages=1048–1083 |isbn=978-0-16-051184-4}}</ref> It is typically brought on by the rocking motion of the craft. Some people are particularly vulnerable to the condition with minor stimulus, while others are relatively immune, or become immune through exposure.<ref name=benson/> It is hazardous for [[scuba diver]]s<ref>{{cite journal |author=Norfleet WT, Peterson RE, Hamilton RW, Olstad CS |title=Susceptibility of divers in open water to motion sickness |journal=Undersea Biomedical Research |volume=19 |issue=1 |pages=41–7 |year=1992 |month=January |pmid=1536062 |url=http://archive.rubicon-foundation.org/2621 |accessdate=2009-07-16}}</ref> who, through [[dehydration]] following [[vomiting]], are at increased risk of [[decompression illness]].


==Prevention and remedy==
==Prevention and remedy==

Revision as of 13:39, 10 July 2011

Seasickness
SpecialtyEmergency medicine, neurology Edit this on Wikidata
File:Seasick scuba diver.jpg
Seasickness can be hazardous for scuba divers
This redirect is about the type of motion sickness. For other uses, see Seasick.

Seasickness is a neurological disorder and a form of motion sickness characterized by a feeling of nausea and, in extreme cases, vertigo, experienced after spending time on a craft on water.[1] It is typically brought on by the rocking motion of the craft. Some people are particularly vulnerable to the condition with minor stimulus, while others are relatively immune, or become immune through exposure.[1] It is hazardous for scuba divers[2] who, through dehydration following vomiting, are at increased risk of decompression illness.

Prevention and remedy

Over-the-counter medications such as Cinnarizine/Stugeron and prescription medications such as dimenhydrinate,[3] scopolamine[4] and promethazine[5] (as transdermal patches and tablets) are readily available. As these medications often have side effects, anyone involved in high-risk activities while at sea (such as SCUBA divers) must evaluate the risks versus the benefits.[6][7][8][9] Promethazine is especially known to cause drowsiness, which is often counteracted by ephedrine in a combination known as "the Coast Guard cocktail."[10]

Ginger capsules are also considered effective in preventing motion sickness.[11]

Those suffering from seasickness who are unaccustomed to the motion of a ship often find relief by:

  • keeping their mind occupied, for example taking the helm of a yacht can reduce sickness as the sufferer has something to concentrate on, and can also anticipate the movement of the vessel
  • taking anti-seasickness/nausea medication
  • keeping their eyes directed to the fixed shore or horizon, where possible
  • lying down on their backs and closing their eyes
  • drinking any substance that is likely to temporarily diminish their senses of sight and touch
  • using THC (see Medical cannabis) or opiates, which act through neural suppression, thus diminishing all of the senses, and directly reducing the feeling of nausea (unfortunately, judgment may also be influenced).
  • move into a position where fresh air is blowing on their face
  • sucking on crystallized ginger, sipping ginger tea or taking a capsule of ginger
  • moving to the boat's center of gravity to eliminate motion due to translation (but not pitch, roll and yaw): see SS Bessemer
  • avoiding getting too cold or too hot.

See also

References

  1. ^ a b Benson, Alan J. (2002). "Motion Sickness". Medical Aspects of Harsh Environments. Vol. 2. Washington, D.C.: Borden Institute. pp. 1048–1083. ISBN 978-0-16-051184-4. Retrieved 29 June 2009. {{cite book}}: External link in |chapterurl= (help); Unknown parameter |chapterurl= ignored (|chapter-url= suggested) (help); Unknown parameter |editors= ignored (|editor= suggested) (help)
  2. ^ Norfleet WT, Peterson RE, Hamilton RW, Olstad CS (1992). "Susceptibility of divers in open water to motion sickness". Undersea Biomedical Research. 19 (1): 41–7. PMID 1536062. Retrieved 2009-07-16. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)
  3. ^ Weinstein SE, Stern RM (1997). "Comparison of marezine and dramamine in preventing symptoms of motion sickness". Aviation, Space, and Environmental Medicine. 68 (10): 890–4. PMID 9327113. {{cite journal}}: Unknown parameter |month= ignored (help)
  4. ^ Spinks AB, Wasiak J, Villanueva EV, Bernath V (2007). "Scopolamine (hyoscine) for preventing and treating motion sickness". Cochrane Database of Systematic Reviews. 18 (3): CD002851. doi:10.1002/14651858.CD002851.pub3. PMID 17636710. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)
  5. ^ "Phenergan information". Drugs.com. Retrieved 2009-07-10.
  6. ^ Schwartz, Henry JC and Curley, Michael D (1986). "Transdermal Scopolamine in the Hyperbaric Environment". United States Navy Experimental Diving Unit Technical Report. Retrieved 2008-05-09.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  7. ^ Bitterman N, Eilender E, Melamed Y (1991). "Hyperbaric oxygen and scopolamine". Undersea Biomedical Research. 18 (3): 167–74. PMID 1853467. Retrieved 2008-05-09. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)
  8. ^ Williams TH, Wilkinson AR, Davis FM, Frampton CM (1988). "Effects of transcutaneous scopolamine and depth on diver performance". Undersea Biomedical Research. 15 (2): 89–98. PMID 3363755. Retrieved 2008-05-09. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)
  9. ^ Arieli R, Shupak A, Shachal B, Shenedrey A, Ertracht O, Rashkovan G (1999). "Effect of the anti-motion-sickness medication cinnarizine on central nervous system oxygen toxicity". Undersea and Hyperbaric Medicine. 26 (2): 105–9. PMID 10372430. Retrieved 2008-05-09.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  10. ^ East Carolina University Department of Diving & Water Safety. "Seasickness: Information and Treatment" (PDF).
  11. ^ Ernst E, Pittler MH (1 March 2000). "Efficacy of ginger for nausea and vomiting: a systematic review of randomized clinical trials". British Journal of Anaesthesia. 84 (3): 367–71. PMID 10793599.
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