The reason why a lying down head swelling and pain sitting up is fine, may be caused by cervical spondylosis, multi-systemic atrophy, vegetative nerve dysfunction, scalp injury and other reasons.
1. Cervical spondylosis: If there is a history of cervical spondylosis, a lying down due to improper sleeping posture, which can easily lead to local vascular nerve root compression, resulting in insufficient blood supply to the vertebral basilar artery, it may cause headache and distension, and it is fine when sitting up.
2. Multi-system atrophy: patients suffering from multi-system atrophy have abnormal blood pressure fluctuation due to the influence of autonomic nerve function, such as high blood pressure when lying down and falling blood pressure when sitting up or standing up, therefore, symptoms of headache and distension occur after lying down due to high blood pressure, and the symptoms are relieved when the blood pressure returns to normal after sitting up.
3. Vegetative nerve dysfunction: various uncomfortable symptoms can occur, such as insomnia, excessive sweating, anxiety, depression, dizziness, headache, etc. Therefore, due to the psychological effect, it can be manifested as headache when lying down, and the symptom can be relieved when sitting up.
4. Scalp injury: scalp injury patients, lying down after the injury at the skin pressure and headache symptoms, sit up to lift the pressure, headache can be relieved.
A headache lying down and sitting up is fine, may also be caused by other reasons, it is recommended to consult a doctor as soon as possible, after a clear cause of targeted treatment.