Numbness and pain on half of the face may be caused by physiological factors, or it may be caused by trigeminal neuralgia, ischemic cerebrovascular disease and other reasons.
1. Physiological factors: For example, if you go out in cold weather and fail to pay attention to keeping your face warm, causing half of your face to be attacked by cold wind for a long time, it may cause numbness and pain on half of your face.
2. Trigeminal neuralgia: When trigeminal neuralgia attacks, it may cause half of the face numbness, pain, as if cut-like, electric shock-like pain.
3. Ischemic cerebrovascular disease: for example, transient ischemic attack, cerebral infarction, etc., due to local ischemia of brain tissue, resulting in cerebral nerve damage, may cause numbness and pain in half of the face, and may also be accompanied by speech disorders, limb numbness and weakness and other neurological deficits.
Numbness and pain in half of the face, after excluding physiological factors, should consult a doctor in time, after a clear diagnosis and timely treatment, so as not to delay the condition.