Scalp a burst of numbness both physiological factors, but also disease factors, physiological factors in mental tension, disease factors can be seen in herpes zoster, scalp neuritis, cervical spondylosis and so on.
1. Physiological factors: emotional tension caused by sympathetic excitation can show peripheral muscle contraction and vasoconstriction caused by a burst of scalp numbness, usually relaxation of emotional relaxation of muscles can be improved.
2. Disease factors:
(1) herpes zoster: caused by viral infection, there will be localized erythema, papules, blisters, accompanied by paroxysmal unilateral and not more than the midline of the body surface of the neurosensory abnormalities, including numbness of the scalp, pain, itching, or ants crawling and other sensations, early herpes zoster may not have a rash, only unilateral neurosensory abnormalities.
(2) Scalp neuritis: the main symptom will appear a burst of throbbing pain as well as tingling, may also be accompanied by numbness.
(3) Cervical spondylosis: compression of local nerve roots by a herniated cervical disc can lead to sensory disturbances, which can also be manifested as numbness and tightness of the scalp.
The cause of scalp numbness is very complex, if the symptoms continue to be unrelieved, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor, to identify the cause of the systematic treatment.