Bell's Palsy is a condition in which one side of the face suddenly becomes weak or paralyzed. This happens because the facial nerve, which controls facial muscles, is affected. The exact cause is unknown but can be linked to viral infections, like the flu or cold sores.
Typically, the symptoms start quickly, including drooping on one side of the face, difficulty closing one eye, and an uneven smile. Some people might also experience pain around the jaw or behind the ear on the affected side. The taste on the front part of the tongue might change, and there could be increased sensitivity to sounds.
The weakness or paralysis usually peaks within a few days and then starts to improve. Most people begin to recover within three to six months, though some might still have mild symptoms afterward. Treatment often includes medications to reduce inflammation and sometimes physical therapy to help with muscle movement.
Bell's Palsy differs from a stroke because it only affects the facial muscles and usually improves over time. If you experience these symptoms, seeing a doctor is important to get a proper diagnosis and appropriate care.
The symptoms of Bell's Palsy can develop quickly and may include:
Note: Symptoms can vary from mild to severe and usually appear suddenly.
The exact cause of Bell's Palsy is not known, but it is believed to be related to:
Seek medical attention if:
To diagnose Bell's Palsy, doctors may use:
Do's:
Don'ts:
NOTE:
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For this topic, our authors used some of the following resources:
Johns Hopkins Medicine | Bell's Palsy
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