Signs and symptoms
... Signs and symptoms of Bell''s palsy may include: Acute paralysis or weakness on one side of your face, making it difficult for you to close one eye Facial droop and difficulty with facial expressions ...

Causes
... The cause of Bell''s palsy is unknown, and its development isn''t well understood. The prevalent theory is that the facial nerve becomes swollen and injured, perhaps by a viral infection. Each facial ...

When to seek medical advice
... Most people with Bell''s palsy recover completely within a few months, with or without medical treatment. Yet, not all instances of facial paralysis or weakness are due to Bell''s palsy. For a few peo...

Screening and diagnosis
... Your doctor may be able to make a preliminary diagnosis of Bell''s palsy by looking at your face and asking you to try to move your facial muscles. Other conditions, such as a stroke, infections and t...