Dizziness and nausea with the head hanging upside down on the edge of the bed is generally considered to be related to cervical vascular compression or cerebral vascular congestion.
1. Cervical blood vessel pressure: special posture will lead to compression of the vertebral artery on both sides of the neck and cause ischemic symptoms in the brain, causing dizziness and nausea symptoms, the general symptoms are relatively mild, can be adjusted to relieve themselves, do not need special treatment.
2. Cerebral vascular congestion: due to the reason that the head hangs upside down, it is easy to cause a sudden increase in blood flow to the brain, causing cerebral vascular congestion phenomenon, leading to compression of cerebral blood vessels and inducing spasm, inducing dizziness and nausea and other symptoms.
In addition, we can not rule out the possibility of other disease factors, such as cervical spondylosis, otolithosis, etc. It is recommended that patients need to go to the regular hospital to improve the examination, according to the cause, under the guidance of specialists to actively seek treatment.