Bell's Palsy
Bell's palsy is sudden weakness or paralysis of the muscles on one side of the face, usually from inflammation of the facial nerve. Most cases resolve completely within weeks to months, especially with prompt treatment.
Table of Contents
Quick Facts
- ICD-10: G51.0
- Onset: Hours to days
- Recovery: Usually full
Distinguish from Stroke
Sudden facial weakness with arm weakness or speech changes — call 911. Stroke usually spares the forehead; Bell's palsy affects the forehead equally.
Symptoms
- Sudden weakness on one side of the face
- Drooping of mouth and eyelid
- Difficulty closing the eye
- Change in taste
- Increased sensitivity to sound on the affected side
- Pain around the ear before symptoms appear
Treatment
- Oral corticosteroids started within 72 hours of onset (most important)
- Antivirals in selected cases
- Eye protection — artificial tears, ointment, patch at night
- Facial exercises
Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. If you are experiencing a medical emergency, call your local emergency number immediately.
References
- American Academy of Neurology. Bell's Palsy Guidelines.