---

Motion sickness

Motion sickness is neurosis appearing or expressed on a person when he or she receives a motion impetus in any vehicle or conveyance and causes symptoms such as nausea, vomiting and the like. Motion sickness is a normal response by the body which occurs when the brain receives too many or conflicting messages which relate to motion. Motion sickness is a general denomination of carsickness, seasickness, airsickness and a disease caused by swinging, bumping, rotation, accelerated moving and other various factors. Motion sickness symptoms range from the distracting, such as eyestrain and blurred vision, to the debilitating, such as nausea, depression and apathy. These symptoms often cause inconvenience and discomfort, and may in some instances cause more serious issues. The patient firstly feels uncomfortable in the upper stomach, then nauseated, looks pale, breaks into a cold sweat; after that, dizziness, mental depression, secreted sputum increase and vomiting may occur, and there may be a blood-pressure decrease, irregular breathing, nystagmus. Serious vomiting may cause deprivation of body fluids and a disorder of electrolytes. Generally, the symptom will disappear or lighten several ten minutes or several hours after stopping the motion or decelerating the velocity. In order to deal with motion sickness, an approach such as administration of a motion sickness medicine before riding, administration of a remedy medicine for relieving motion sickness after expression of the motion sickness or the like is generally adopted.

---