A worrying symptom in and of itself, facial numbness or tingling on one side of the face is yet another common symptom that is linked to nasopharyngeal cancer. If nasopharyngeal cancer is the cause, the numbness will be felt in the lower part of the face. Facial paralysis is an uncommon symptom of a tumor, and as a stand-alone symptom, a different cause is more likely, such as infection, anxiety, or nerve damage. If you're experiencing tingling on one side of the face, be cautious and see a doctor, but don't worry.

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