Nerve disorders include: stroke, transient ischemic attack (TIA), subarachnoid hemorrhage, subdural hemorrhage and hematoma, extradural hemorrhage, meningitis, encephalitis, polio, epidural abscess, brain or spinal cord injury, Bell's palsy, cervical spondylosis, carpal tunnel syndrome, brain or spinal cord tumors, peripheral neuropathy, Guillain-Barré syndrome, headache, epilepsy, dizziness, neuralgia, Parkinson disease, multiple sclerosis, amyotrophic lateral sclerosis (ALS), Huntington chorea, and Alzheimer disease.
A migraine is a severe, painful headache that can be preceded or accompanied by sensory warning signs such as flashes of light, blind spots, tingling in the arms and legs, nausea, vomiting, and increased sensitivity to light and sound. The excruciating pain that migraines bring can last for hours or even days.
Causes of spinal cord disorders include injuries include infections, a blocked blood supply, and compression by a fractured bone or a tumor. Typically, muscles are weak or paralyzed, sensations are abnormal or lost, and controlling bladder and bowel function may be difficult. Diagnosis is based on symptoms and results of a physical examination and imaging tests, such as magnetic resonance imaging. The condition causing the spinal cord disorder is corrected if possible. Often, rehabilitation is needed to recover as much function as possible.
Muscle disorders can cause weakness, pain or even paralysis. Causes of muscle disorders include injury or overuse, such as sprains or strains, cramps or tendinitis; A genetic disorder, such as muscular dystrophy; Some cancers; Inflammation, such as myositis; Diseases of nerves that affect muscles; Infections; and, Certain medicines.
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