This usually needs to be combined with the patient’s medical history.
If the patient has temporary numbness of the lips and the skin of the lips is accompanied by redness or rash, it may be caused by skin contact with allergens.
If the patient is engaged in a special job with long-term exposure or exposure to a special environment, it may be due to mineral deficiency in the body
If the patient presents with other symptoms such as recurrent episodes of transient, paroxysmal, electric shock-like, knife-like or tear-like severe pain in addition to the symptoms of numbness of lips, it may be related to damage or compression of trigeminal nerve, etc.