The symptoms could vary depending upon the part(s) paralyzed. Usually -plegia is used to describe paralysis and paresis for severe weakness. Mostly occurs in limbs though could happen in virtually any part of the body. Symptoms would include inability to control movement of the parts impacted. In case of limbs would drag feet, in case of neck, pain in movement, slow responses, and so on. Causes could be tick infections, bacterial infections, hypothyroidism, disorders of the nervous system specially spinal cord and many more.