First Time User? Enroll now.
COVID-19: Vaccine information, visitor restrictions, testing, treatment, and additional resources
Home > Health Library > Nervous System Problems
The nervous system is a complex, highly specialized network. It organizes, explains, and directs interactions between you and the world around you. The nervous system controls:
The nervous system is divided into two parts:
The symptoms depend on which area of the nervous system is involved. They also depend on what's causing the problem. These problems may occur slowly and cause a gradual loss of function (degenerative). Or they may occur suddenly and cause life-threatening problems (acute). Symptoms may be mild or severe. Some serious conditions, diseases, and injuries that can cause nervous system problems include:
A sudden (acute) nervous system problem can cause many different symptoms. It depends on the area of the nervous system involved. Stroke and transient ischemic attack (TIA) are common examples of acute problems. You may suddenly have one or more symptoms, such as:
Seizures can also cause sudden changes in consciousness, feeling (sensation), emotion, or thought. Some people have abnormal body movements, such as muscle twitching. How often the seizures occur and how severe they are depend on the cause of the seizures and the area of the brain involved.
Diabetes can cause problems with balance. This can be a result of peripheral neuropathy or stroke.
Vertigo and dizziness are problems of balance and coordination (equilibrium). Vertigo is often caused by a medicine or a problem of the inner ear or brain. Emotional distress, dehydration, blood pressure problems, and other diseases can all make you feel dizzy.
Most headaches aren't caused by serious central nervous system problems. The pain that comes with a headache can be a throbbing or a piercing pain, such as with a migraine. Or it can be severe pain that comes and goes over several days, such as with cluster headaches. Headaches are usually caused by problems with the sinuses, scalp, or muscles of or around the head.
Many things can affect how your body responds to a symptom and what kind of care you may need. These include:
You have answered all the questions. Based on your answers, you may be able to take care of this problem at home.
Symptoms of a stroke may include:
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:
Many prescription and nonprescription medicines can cause symptoms related to the nervous system. A few examples are:
Based on your answers, you may need care right away. The problem is likely to get worse without medical care.
Based on your answers, you may need care soon. The problem probably will not get better without medical care.
Based on your answers, you need emergency care.
Call 911 or other emergency services now.
Sometimes people don't want to call 911. They may think that their symptoms aren't serious or that they can just get someone else to drive them. Or they might be concerned about the cost. But based on your answers, the safest and quickest way for you to get the care you need is to call 911 for medical transport to the hospital.
Based on your answers, the problem may not improve without medical care.
Specific home treatment for symptoms related to a nervous system problem depends on the cause of the problem. Keep a diary of your symptoms to review with your doctor at your next appointment.
Call a doctor if any of the following occur during self-care at home:
You can help your doctor diagnose and treat your condition by being prepared for your appointment.
Current as of:
December 13, 2021
Author: Healthwise StaffMedical Review: William H. Blahd Jr. MD, FACEP - Emergency MedicineKathleen Romito MD - Family MedicineAdam Husney MD - Family Medicine
Current as of: December 13, 2021
Author: Healthwise Staff
Medical Review:William H. Blahd Jr. MD, FACEP - Emergency Medicine & Kathleen Romito MD - Family Medicine & Adam Husney MD - Family Medicine
To learn more about Healthwise, visit Healthwise.org.
© 1995-2022 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.