Behaviour - changes
Behaviour - mood changes
Limbs - numbness
Memory - loss
Mental concentration - disorder
Mental reasoning - difficulty
Movements - balance impaired
Movements - loss of coordination
Muscles - cramps
Speech - changes
Speech - difficulty
Vision - blurred
Vision - double
Multiple sclerosis (MS) is a chronic disease that affects the central nervous system.
The causes that originate MS are still unclear, but scientists believe that immune system attacks the myelin, a protective sheath that covers nerve fibers.
The development of the condition and symptoms can vary widely from one person to another. Multiple sclerosis can be difficult to diagnose early because symptoms appear and disappear and can be easily confused with other conditions.
- Age. Symptoms usually first develop between the ages of 20 and 40.
- Family history. Genetics variations have been shown to increase the risk.
- Medical history. It is more likely to develop MS if a person has had certain viral infections.
Multiple sclerosis can be difficult to diagnose as far as no single test can confirm the condition. Diagnosis can take several months or years because signs and symptoms may be similar to other medical disorders and are different for everyone. However, neurologists actually use the McDonald specific criteria, which is based on clinical symptoms and laboratory and imaging tests:
Along with a neurological examination, the neurologist can also order MRI scanning, blood tests and a cerebrospinal fluid test (obtained from a lumbar puncture).
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