Bell's palsy, characterized by sudden weakness or paralysis of one side of the face, is believed to result from viral infections, particularly the herpes simplex virus. The exact cause is not fully understood, but factors like stress, viral reactivation, and a family history of the condition may contribute. It is not contagious, and while the exact mechanism isn't clear, it often follows a viral illness. Most people recover within weeks to months, although some may experience residual effects.
what causes belpoisey
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Bell's palsy is typically diagnosed based on symptoms, which include sudden weakness or paralysis on one side of the face, drooping of the mouth or eyelid, and difficulty with facial expressions. A healthcare provider will often conduct a physical examination and may rule out other conditions, such as stroke or infections, that could cause similar symptoms. If you experience these signs, especially if they appear suddenly, it's important to seek medical attention for an accurate diagnosis.