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Bell's palsy

Bell's palsy is a condition that causes a temporary weakness or paralysis of the muscles in the face. It can occur when the nerve that controls your facial muscles becomes inflamed, swollen, or compressed. The condition causes one side of your face to droop or become stiff.

Bell's palsy may be a reaction to a viral infection. It rarely occurs more than once.
Bell's palsy is characterised by muscle weakness that causes one half of the face to droop. Bell's palsy usually resolves on its own within six months. Physiotherapy can help prevent muscles from permanently contracting.