Altitude sickness and Motion sickness

Altitude sickness noun - Effects (as nosebleed or nausea) of oxygen deficiency in the blood and tissues at high altitudes.

Motion sickness and altitude sickness are semantically related. In some cases you can use "Motion sickness" instead a noun phrase "Altitude sickness".

Motion sickness noun - The state of being dizzy or nauseated because of the motions that occur while traveling in or on a moving vehicle.

Altitude sickness and motion sickness are semantically related. You can use "Altitude sickness" instead a noun phrase "Motion sickness".