Symptoms
Sudden weakness or drooping on one side of the face, difficulty closing eye or smiling on that side.
Cause
Inflammation or swelling of the facial nerve, often following a viral infection; exact cause not always clear.
Prevention
No guaranteed prevention — protecting the face from cold drafts is a common precaution, though evidence is limited.
Treatment
Steroid medication early on can speed recovery, eye protection (drops/patch) if eye doesn't close, facial exercises. Commonly used medicines: prednisolone (steroid) started early.
See a doctor if
Any sudden facial drooping should be checked urgently to rule out stroke.
Frequently Asked Questions
What are the early symptoms of Bell's Palsy?
Sudden weakness or drooping on one side of the face, difficulty closing eye or smiling on that side.
What causes Bell's Palsy?
Inflammation or swelling of the facial nerve, often following a viral infection; exact cause not always clear.
How can Bell's Palsy be prevented?
No guaranteed prevention — protecting the face from cold drafts is a common precaution, though evidence is limited.
What is the treatment for Bell's Palsy?
Steroid medication early on can speed recovery, eye protection (drops/patch) if eye doesn't close, facial exercises. Commonly used medicines: prednisolone (steroid) started early.
When should I see a doctor for Bell's Palsy?
Any sudden facial drooping should be checked urgently to rule out stroke.
Reviewed by the Swasthya Suchi pharmacy team for general accuracy · Last updated: 2026-08-10