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Bell’s palsy is a nerve disorder that usually happens suddenly and without warning. This condition occurs when a nerve that controls facial movement is damaged. Nerve damage can occur for many reasons. But most cases of Bell’s palsy are probably caused by a virus.
Mild weakness to total paralysis of one side of your face
Drooping mouth, drooling on one side of mouth
Trouble closing one eye
Noises seeming louder than usual
Change in your sense of taste
Bell’s palsy rarely requires emergency treatment. But seek medical care right away so serious conditions that may cause similar symptoms can be ruled out. Although Bell’s palsy can be alarming, it’s rarely serious. Many people begin to improve in about 2 weeks, even without treatment.
To treat Bell’s palsy, you may be given steroid medications. This helps reduce swelling of the affected nerve. In some cases, your doctor may prescribe an antiviral medication. Your open eye may be covered with a patch to prevent it from drying out. You also may need to use eyedrops and ointments for a time. Your doctor will discuss follow-up care with you, including the possible need for further treatment to help your facial muscles return to normal.
National Institute of Neurological Disorders and Stroke Division of the National Institutes of Health