Medically reviewed by Nicholas R. Metrus, MD Facial nerve paralysis describes weakness in the muscles on one or both sides of your face that causes an inability to smile, blink, or control other ...

Paralysis on one side of the body often announces itself through subtle changes before complete loss of movement occurs. People might notice a tingling sensation, weakness in their arm or leg ...

Doctors noted the facial paralysis could have been caused by ... a condition that causes "sudden weakness in the muscles on one side of the face," according to the Mayo Clinic.