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Bell's palsy is a condition that causes sudden weakness in the muscles on one side of the face. Often the weakness is short-term and improves over weeks. The weakness makes half of the face appear to droop. Smiles are one-sided, and the eye on the affected side is hard to close.
Bell's palsy also is known as acute peripheral facial palsy of unknown cause. It can occur at any age. The exact cause is not known. Experts think it's caused by swelling and irritation of the nerve that controls the muscles on one side of...
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Symptoms of Bell's palsy come on suddenly and may include:
Although the exact reason Bell's palsy occurs isn't clear, it's often related to having a viral infection. Viruses that have been linked to Bell's palsy include viruses that cause:
Most people with Bell's palsy recover fully — with or without treatment. There's no one-size-fits-all treatment for Bell's palsy. But your healthcare professional may suggest medicines or physical therapy to help speed your recovery. Surgery is rarely an option for Bell's palsy.
Because the eye on the affected side doesn't close, it's important to take steps to protect and care for that eye. Use lubricating eye drops during the day and an eye ointment at night to help keep your eye moist. Wear glasses or goggles d...
For informational purposes only and not a substitute for professional medical advice, diagnosis, or treatment.
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