Multiple sclerosis is a progressive degenerative disorder that affects the nerve fibers in the brain and spinal cord. Multiple sclerosis also causes scaring and hardening of the nerve fibers usually in the spinal cord, brain stem and optic nerve which slows nerve impulses and results in weakness, numbness, pain and vision changes. The different nerves are affected at different times so multiple sclerosis symptoms often worsen, improve and develop in different parts of the body. Initial symptoms of the multiple sclerosis may be brief and mild. The first serious attacks usually lasts weeks or months and occur between the ages of 20 to 40. The common early symptoms includes sensory abnormalities that tingling, numbness, itching, tightness, burning, shooting, pain in the back or limbs, difficult in walking, eye pain, vertigo, dizziness, uncoordinated movements, mood swings and depression.