What are detectable physical signs of motion sickness?

Updated: Oct 22, 2018
  • Author: Andrew Brainard, MD, MPH; Chief Editor: Selim R Benbadis, MD  more...
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Answer

Besides vomiting, there are few detectable physical signs of motion sickness. Yawning and belching can be observed before conscious symptoms develop. Peri-oral and facial pallor can give patients a green appearance and can occur along with increased salivation, diaphoresis, and flushing. Increased postural sway, changes in electrogastrography, and decreases in skin resistance have all been correlated with the sensations of motion sickness.


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