<unk>  is a common problem in people traveling by car, train, airplanes and especially boats.<unk>  can start suddenly, with a queasy feeling and cold sweats. It can then lead to dizziness and nausea and vomiting.
Motion sickness
Sleeping sickness
Foreign accent syndrome
Morning sickness
Altitude sickness
Decompression sickness
Croup
Glossopharyngeal neuralgia