Problems with the nervous system can cause a variety of symptoms almost anywhere in the body. A few examples of symptoms that may be caused by a nervous system problem include:

• Numbness or tingling.
• Weakness or a reduced ability to move any part of the body (not caused by pain).
• Tremors, tics, or other unusual movements, such as a walking (gait) change or mouth smacking.
• Coordination problems, such as dropping things, tripping, or falling more often.
• Vision changes.
• Changes in hearing, taste, or smell.