Motion sickness
Motion sickness, sometimes called seasickness, is a physiological condition in which a disagreement exists between visually perceived movement and the vestibular system's sense of movement.

In 2152, Hoshi Sato declined to try a device in 's gymnasium, giving motion sickness as an excuse. ()

Later that year, Doctor Phlox mentioned to Malcolm Reed that he'd treated several crewmen for motion sickness during the neutronic storm. ()

In 2258 of the alternate reality, while  was falling due to Earth's gravity,  expressed his hope that  wasn't prone to seasickness. She then asked if he was, which McCoy confirmed. ()

In 2375, The Doctor claimed he was suffering from "a little motion sickness" while traveling at transwarp in the . He needed to adjust his matrix to accommodate for the extreme velocity. ()

In 2376, B'Elanna Torres recalled being seasick during her experience of the Klingon Barge of the Dead. ()

See also 
 Space sickness

External link 
 
Medical conditions