Bell's Palsy


Bell's palsy is a sudden weakness or paralysis on one side of the face. It is usually a temporary condition.
Bell's Palsy: Facial Droop
Nucleus factsheet image
Copyright © Nucleus Medical Media, Inc.


The exact cause of Bell's palsy is unknown. It is thought to be a result of an infection or inflammation that affects the nerve.Examples include:

Risk Factors

Factors that may increase your risk of Bell's palsy include:


Bell's palsy symptoms may come on suddenly or develop over a few days. Initial symptoms may include:
  • Pain behind the ear that is followed by weakness and paralysis of the face
  • Ringing sound in the ears
  • Slight hearing impairment
  • Slight increase in sensitivity to sound on the affected side
Symptoms of advanced Bell's palsy may include:
  • Facial weakness or paralysis, most often on one side
  • Numbness just before the weakness starts
  • Drooping corner of the mouth
  • Drooling
  • Decreased tearing
  • Inability to close an eye, which can lead to:
    • Dry, red eyes
    • Ulcers forming on the eye
    • Infection
  • Problems with taste on one side
  • Sound sensitivity in one ear
  • Earache
  • Slurred speech
Late complications can occur 3-4 months after onset and can include:
  • Long-lasting tightening of the facial muscles
  • Tearing from eye while chewing
Symptoms will often go away on their own within a few weeks. Bell's palsy may resolve after a few months in many people. In some cases, some symptoms of Bell's palsy may never go away. The recovery rate decreases with increasing age.

leave comments
Did you like this? Share with your family and friends.
Related Topics:
Current Research From Top Journals

Music May Improve Sleep Quality in Adults with Insomnia
October 2015

Insomnia can make your days miserable and a cure can be hard to find. There are some medications but there is some worry with side effects and the potential for addiction. Music is side effect free and according to this study may help you find sleep.

dot separator
previous editions

CPAP May Help Older Adults with Obstructive Sleep Apnea
September 2015

Water Before Meals May Promote Weight Loss
August 2015

Fecal Transplants Induce Ulcerative Colitis Remission
July 2015

dashed separator


Our Free Newsletter
click here to see all of our uplifting newsletters »