Doctor insights on:
Why Do People With Motion Sickness Throw Up
Vomit center: There are several neural connections present to help maintiain our balance. Unfortunately one of those balance connections goes through the "vomit center" in the brain stem. Motion sickness is due to sensory conflict (incongruous information from different sensory systems). When this sensory conflict occurs, it triggers an assortment of responses of which vomiting is one. ...Read moreSee 1 more doctor answer
Motion sickness: One theory is that it is a defense mechanism against neurotoxins. When we feel motion but can't see it, the inner ear transmits to the brain that it senses motion, but the eyes tell the brain that everything is still. As a result the brain concludes that one of them is hallucinating & that the hallucination is due to poison ingestion. The brain responds by inducing vomiting to clear the toxin. ...Read more
Major airplane motion sickness. Have to lean against window with eyes closed. If open eyes everything spins and throw up. Why?
Conflicted Brain: On a plane vestibular system of the inner ear senses motion. However, if we look around we see a stationary insides of a plane. This is a confusing torture to the brain which tries to balance the conflicting date. Some theorize the brain decides it is therefore hallucinating from a poison and starts the vomiting in case of potential toxins. Closing your eyes spares the brain this conflict. Odd! ...Read moreSee 1 more doctor answer
I read, people with motion sickness , we can give them "beta blockers" before the journey,
can we ?
Not standard therapy: Since beta blockers can actually increase feelings of malaise as well as cause low blood pressure, unless anxiety is a major cause, this would not be first-line. Over-the-counter medicines like Meclizine (marketed in the U.S. As bonine) and use of ginger (as capsules or just crystallized ginger, which is also delicious!) work pretty well for most people. ...Read more
Genes: Motion sickness often runs in families. A medical study of identical twins in india showed that both twins either got motion sickness or both twins did not get motion sickness 100% of the time. Some races, such as asians are also more prone to motion sickness. The evidence is strong, but the exact genes have not yet been isolated. ...Read moreSee 1 more doctor answer
Motion sickness: Motion sickness is due to "ocular - vestibular mismatch." the vestibular system is in the inner ear and senses position and rotation. When what the eyes see does not match what the vestibular system senses, it causes motion sickness. Some people are much more sensitive than others to this mismatch. You can reduce the issue by looking outside the boat or car. Then you have a better match. ...Read moreSee 1 more doctor answer
You will feel ill: Motion sickness occurs when your equilibrium system is overwhelmed. If you are traveling by plane, sit over the wings, if traveling by car or bus, sit in the front and look ahead and as far at the horizon as possible. Symptoms, which include nausea, vomiting, dizziness and headache, will subside once you are out of a moving vehicle. ...Read moreSee 1 more doctor answer
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