Bell's Palsy

Also known as: facial palsy, facial paralysis

What is Bell’s Palsy?

Bell’s palsy is a sudden unexplained episode of weakness or paralysis of part of the face muscles, usually on one side, that can occur at any age. Full recovery can take several weeks to months; however, it is rarely permanent.

What causes Bell’s palsy?

Bell’s palsy occurs from damage to the 7th cranial nerve, the nerve controlling movement of facial muscles, from an unknown inflammation. It seems to be associated with viral infections, toxins, trauma, diabetes, high blood pressure, and other precipitating factors.

What are the symptoms of Bell’s palsy?

Common symptoms include:

  • Pain
  • Drooping of the face
  • Drooling of saliva
  • Loss of feeling on one side
  • Abnormal movements of facial muscles
  • Difficulty smiling, blinking, or closing an eyelid on one side of the face
  • Tearing
  • Increased sensitivity
  • Headaches

What are Bell’s palsy care options?

In many cases, Bell’s palsy resolves over time, and protecting the eye from dryness with eye care treatments is all that is required. Other options include; steroids, antiviral medications, analgesics and/or physical therapy. There is no evidence that alternative therapies are of benefit. Plastic surgery may be required in more extreme cases.


Reviewed by: Jack Wolfsdorf, MD, FAAP

This page was last updated on: July 06, 2021 04:17 PM

Brain Institute

At Nicklaus Children's, your child really does matter most. Please read below about our comprehensive pediatric neurological programs, treatment approaches, what to expect as a patient, a parent, a family and much more.

Learn more

Learn more about

Disorders of the Facial Nerve and Skull Base

The facial nerve emerges from the brainstem through the side of the skull to control the muscles of the face, and to transmit taste sensations from the tongue and mouth. Learn more

Physical Therapy

Physical therapy is a form of therapy that helps people rehabilitate through exercises, stretching and orthopedics in order to regain the mobility and function of their bodies. Learn more