Describe the features of bell's palsy.?

Bell's palsy: Bell's palsy is the term for a disturbance of the facial nerve to the muscles of one side of the face. Most are spontaneous and rapid in onset. The cause is presumed to be viral mostly. The nerve swells in its narrow bony outlet and loses function. That side of the face droops - eye lids and mouth with visual and eating disturbance.Have immediate evaluation by your doctor

Facial paralysis: Bell's palsy is a condition that includes facial muscle weakness or paralysis. It is thought to be caused by a viral infection in the facial nerve. It varies widely in severity and duration.