joint and muscle stiffness, confusion, neck pain, not able to speak freely, have to force the words slowly. headache. not able to move arms and legs normally, not able to walk. loss of feeling on right side of body to include arms, legs, hands and feet. sudden onset. no drug or alcohol use. 23 year old female. symptoms hit suddenly and last 5-6 hours, then she is back to normal. this has happened 3 times in the last 18 months and has baffled doctors.