Symptoms of MS may be mild or severe, of long
duration or short, and may appear in various
combinations, depending on the area of the nervous
system affected. Complete or partial remission of
symptoms, especially in the early stages of the
disease, occurs in approximately 70 percent of MS
patients.
The initial symptom of MS is often blurred or
double vision, red-green color distortion, or even
blindness in one eye. Inexplicably, visual problems
tend to clear up in the later stages of MS.
Inflammatory problems of the optic nerve may be
diagnosed as retrobulbar or optic neuritis.
Fifty-five percent of MS patients will have an
attack of optic neuritis at some time or other and
it will be the first symptom of MS in approximately
15 percent. This has led to general recognition of
optic neuritis as an early sign of MS, especially if
tests also reveal abnormalities in the patient's
spinal fluid.
Most MS patients experience muscle weakness in
their extremities and difficulty with coordination
and balance at some time during the course of the
disease. These symptoms may be severe enough to
impair walking or even standing. In the worst cases,
MS can produce partial or complete paralysis.
Spasticity-the involuntary increased tone of
muscles leading to stiffness and spasms-is common,
as is fatigue. Fatigue may be triggered by
physical exertion and improve with rest, or it may
take the form of a constant and persistent tiredness.
Most people with MS also exhibit paresthesias,
transitory abnormal sensory feelings such as
numbness, prickling, or "pins and needles"
sensations; uncommonly, some may also experience
pain. Loss of sensation sometimes occurs. Speech
impediments, tremors, and dizziness are other
frequent complaints. Occasionally, people with MS
have hearing loss.
Approximately half of all people with MS
experience cognitive impairments such as
difficulties with concentration, attention, memory,
and poor judgment, but such symptoms are usually
mild and are frequently overlooked. In fact, they
are often detectable only through comprehensive
testing. Patients themselves may be unaware of their
cognitive loss; it is often a family member or
friend who first notices a deficit. Such impairments
are usually mild, rarely disabling, and intellectual
and language abilities are generally spared.
Cognitive symptoms occur when lesions develop in
brain areas responsible for information processing.
These deficits tend to become more apparent as the
information to be processed becomes more complex.
Fatigue may also add to processing difficulties.
Scientists do not yet know whether altered cognition
in MS reflects problems with information acquisition,
retrieval, or a combination of both. Types of memory
problems may differ depending on the individual's
disease course (relapsing-remitting, primary-progressive,
etc.), but there does not appear to be any direct
correlation between duration of illness and severity
of cognitive dysfunction. .
Depression, which is unrelated to cognitive
problems, is another common feature of MS. In
addition, about 10 percent of patients suffer from
more severe psychotic disorders such as
manic-depression and paranoia. Five percent may
experience episodes of inappropriate euphoria and
despair-unrelated to the patient's actual emotional
state-known as "laughing/weeping syndrome." This
syndrome is thought to be due to demyelination in
the brainstem, the area of the brain that controls
facial expression and emotions, and is usually seen
only in severe cases.
As the disease progresses, sexual dysfunction may
become a problem. Bowel and bladder control may also
be lost.
In about 60 percent of MS patients, heat-whether
generated by temperatures outside the body or by
exercise-may cause temporary worsening of many MS
symptoms. In these cases, eradicating the heat
eliminates the problem. Some temperature-sensitive
patients find that a cold bath may temporarily
relieve their symptoms. For the same reason,
swimming is often a good exercise choice for people
with MS.
The erratic symptoms of MS can affect the entire
family as patients may become unable to work at the
same time they are facing high medical bills and
additional expenses for housekeeping assistance and
modifications to homes and vehicles. The emotional
drain on both patient and family is immeasurable.
Support groups (listed on a card in the pocket at
the back of this pamphlet) and counseling may help
MS patients, their families, and friends find ways
to cope with the many problems the disease can
cause.
Possible Symptoms of Multiple Sclerosis
-
Muscle weakness
-
Spasticity
-
Impairment of pain, temperature, touch
senses
-
Pain (moderate to severe)
-
Ataxia
-
Tremor
-
Speech disturbances
-
Vision disturbances
-
Vertigo
-
Bladder dysfunction
-
Bowel dysfunction
-
Sexual dysfunction
-
Depression
-
Euphoria
-
Cognitive abnormalities
-
Fatigue