Space sickness
Space sickness was a condition caused by being off of a planet's surface. Its symptoms included nausea, dizziness, and disorientation. 

Space sickness was often brought on by turbulence on a ship, or inertial dampeners being out of alignment, and was especially strong if a ship lacked artificial gravity. In many ways, space sickness was the deep space equivalent to sea sickness. Just as an experienced sailor was said to have "sea legs", experienced space travelers were said to have "space legs". (, ) Nonetheless, most space travelers experienced space sickness from time to time. Space sickness could be treated by inaprovaline. ()

In the 23rd century, in the medical history section of Christopher Pikes personnel file, space sickness was listed with other ailments he had suffered during his lifetime prior to 2257. ()

In 2267, Pavel Chekov joked to Hikaru Sulu that frequent course changes between  and Altair VI were making him space-sick. ()

In 2269, Montgomery Scott misinterpreted Mira Romaine's telepathic connection with the Zetarians as space sickness. ()

Worf was known to suffer from nausea when in zero gravity. ()

Tom Paris claimed to be prone to space sickness after being brainwashed by the . ()

In 2374, B'Elanna Torres, while floating in space with Tom Paris, told him that the experience of being in space with EV suits was nothing like the simulations at Starfleet Academy and it made her feel a little sick to her stomach. ()

Ezri Dax suffered from this condition after being joined to her symbiont, but refused to give in to the condition so she could find and save Worf. ()

Doctor Julian Bashir handed Ezri Dax twenty milligrams of a medicine in a hypospray when she boarded the runabout to Sappora VII and told her it should help her with her space sickness. ()

In 2375, a number of  crew members reported symptoms of space sickness, which were found to be the result of temporal distortions produced by a temporal disruptor. ()

Tuvok suffered from space sickness while the ship traveled through a neutronic wave front in 2376. ()

See also 
 Motion sickness

External link 
 

de:Raumkrankheit
Medical conditions