• Decreased attention span, poor judgment, and memory loss
• Difficulty reasoning and solving problems
• Depression or feelings of sadness
• Dizziness and balance problems
• Hearing loss

Sexual symptoms:

• Problems with erections
• Problems with vaginal lubrication

Speech and swallowing symptoms:

• Slurred or difficult-to-understand speech
• Trouble chewing and swallowing

Fatigue is a common and bothersome symptoms as MS progresses. It is often worse in the late afternoon.

Symptoms of MS may mimic those of many other nervous system disorders. The disease is diagnosed by ruling out other conditions.

People who have a form of MS called relapsing-remitting may have a history of at least two attacks, separated by a period of reduced or no symptoms.

The health care provider may suspect MS if there are decreases in the function of two different parts of the central nervous system (such as abnormal reflexes) at two different times.

A neurological exam may show reduced nerve function in one area of the body, or spread over many parts of the body. This may include:

• Abnormal nerve reflexes
• Decreased ability to move a part of the body
• Decreased or abnormal sensation
• Other loss of nervous system functions

An eye examination may show:

• Abnormal pupil responses
• Changes in the visual fields or eye movements
• Decreased visual acuity
• Problems with the inside parts of the eye
• Rapid eye movements triggered when the eye moves

Tests to diagnose multiple sclerosis include:

• Lumbar puncture (spinal tap) for cerebrospinal fluid tests, including CSF oligoclonal banding
• MRI scan of the brain and MRI scan of the spine are important to help diagnose and follow MS
• Nerve function study (evoked potential test)

Images

Central nervous system

Myelin and nerve structure

MRI of the brain

Nerve supply to the pelvis

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Review Date: 08/05/2010
Reviewed By: David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. Previously reviewed by Daniel B. Hoch, PhD, MD, Assistant Professor of Neurology, Harvard Medical School, Department of Neurology, Massachusetts General Hospital.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)