What are the symptoms of sopite syndrome in patients with motion sickness?

Updated: Oct 22, 2018
  • Author: Andrew Brainard, MD, MPH; Chief Editor: Selim R Benbadis, MD  more...
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Sopite syndrome, which is a constellation of symptoms that involves apathy, depression, disinclination for work, and decreased participation in group activities, can occur. [8] These and other neurophysiologic symptoms such as maliase, lethargy and agitation can persist for some time after the motion stimuli has ended.

The sensation of movement frequently persists after the cessation of motion. This syndrome, called mal de debarque, is considered worrisome if it lasts for longer than 3 days. [9]

Patients who have previously experience motion sickness are much more likely to experience it again. Along with pregnant women, patients with previous vestibular syndromes or illness, a propensity toward nausea, and patients with a migraine headache history have increased rates of motion sickness.

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