No sensation when scratching the scalp on the top of the head
Sep 18, 2023
Source: Cainiu Health
Dr. Wang Xiaoyan
Introduction
In general, a lack of sensation when touching the scalp on the top of the head may be related to factors such as high mental stress, insufficient cerebral blood supply, hypertension, cervical spondylosis, and autonomic nervous dysfunction. Patients are advised to follow medical instructions for symptomatic treatment. Additionally, it could also be associated with conditions like cerebral hemorrhage or cerebral infarction. If patients experience any discomfort, they should seek timely medical attention to avoid delaying diagnosis and treatment.
Under normal circumstances, a lack of sensation when touching or scratching the scalp on the top of the head may be related to factors such as high mental stress, insufficient cerebral blood supply, hypertension, cervical spondylosis, or autonomic nervous system dysfunction. Patients are advised to follow medical guidance for symptomatic treatment. Specific analyses are as follows:
1. High Mental Stress
If a person frequently stays up late or experiences prolonged mental tension, it may lead to increased excitability in certain areas of the cerebral cortex, causing autonomic nervous system disorder. This could result in numbness of the scalp or a lack of sensation when touched. This is considered a normal physiological response and usually resolves spontaneously once the triggering factors are removed.
2. Insufficient Cerebral Blood Supply
A lack of sensation on the scalp may result from poor cerebral perfusion due to impaired cerebral arterial circulation. Under a doctor's guidance, medications such as Yangxue Qingnao Granules or Zhengtian Pills may be used for treatment.
3. Hypertension
In patients with poorly controlled long-term hypertension, reduced blood flow to cerebral arteries may occur, leading to symptoms such as insensitivity of the scalp, dizziness, and excessive sleepiness. Medications such as nifedipine controlled-release tablets or metoprolol succinate sustained-release tablets may be taken under medical supervision to alleviate symptoms.
4. Cervical Spondylosis
Prolonged periods of working with the head bent forward may lead to the above symptoms due to cervical spondylosis. Patients are advised to visit a正规 hospital for X-ray imaging to confirm the diagnosis, and treatments such as traction, acupuncture, or massage may help relieve symptoms.
5. Autonomic Nervous System Dysfunction
Autonomic nervous system dysfunction is a condition in which the balance among neural systems is disrupted, leading to functional disorders. It is commonly caused by chronic sleep deprivation or mental stress, and may manifest as dizziness, loss of scalp sensation, or headaches. Patients may take medications such as Oryzanol Tablets or Mecobalamin Tablets as directed by a physician.
In addition, conditions such as cerebral hemorrhage or cerebral infarction may also cause similar symptoms. If any discomfort occurs, patients should seek timely medical attention to avoid delays in diagnosis and treatment.
