Halo hyperactivity symptoms vary from person to person, ranging from dizziness, weight will be nausea, vomiting, cold sweats, or even collapsed.

　　Risk halo hyperactivity may fare in 30 minutes before departure. pre-service antihistamine (antihistamines) 1-2 tablets to reduce the halo hyperactivity attack.

　　If possible, try sitting in the car, in front of the cabin central, central cabin or supine, tend to be less concussion symptoms and reduce morbidity.

　　Not fed diet, tighten belt to reduce the unborn visceral shock will also help to alleviate the symptoms.

　　Doctors recommend Halo hyperactivity can be concentrated in the distant vision stationary objects, or the wearing of the middle Tu little cooler oil masks, can reduce visual or olfactory - induced factors halo hyperactivity opportunities.

　　Travel long distances before full rest, and head movement can do more to improve the resilience shocks, and reduce the incidence.