Published on: 5/30/2025
What are the causes of facial numbness on the left side?
Facial numbness on the left side can be caused by trigeminal neuropathy or issues related to the carotid artery. It is important to identify the underlying cause for proper treatment.
Explanation
Facial numbness on one side, like the left side, can be due to several causes. One significant cause is trigeminal neuropathy, which affects the trigeminal nerve responsible for sensation in the face. This condition can lead to numbness and tingling.
Another possible cause is related to the carotid artery, which supplies blood to the face and brain. Issues with this artery can result in numbness and unusual sensations.
Here are some key points to consider:
Trigeminal Neuropathy: This affects the nerve that carries sensation from your face to your brain. Problems here can cause numbness or tingling on one side of the face.
Carotid Artery Issues: Problems with the blood flow in this artery can also lead to numbness.
Understanding these causes is important to get the right treatment. If you experience facial numbness, consult a healthcare professional who can help determine the cause and provide appropriate care.
(References)
- Smith JH, & Cutrer FM. (2011). Numbness matters: a clinical review of trigeminal neuropathy. Cephalalgia : an international journal of headache, 21628435.
- Francis KR, Williams DP, & Troost BT. (1987). Facial numbness and dysesthesia. New features of carotid .... Archives of neurology, 3827688.
- Francois EL, Clark NJ, & Freedman BA. (2019). Facial Numbness and Paresthesias Resolved with Anterior .... JBJS case connector, 31274646.
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