Multiple Sclerosis, also known as disseminated sclerosis, is related to pediatric multiple sclerosis and demyelinating disease, and has symptoms including back pain, headache and hemiplegia. An important gene associated with Multiple Sclerosis is HLA-DRB1 (Major Histocompatibility Complex, Class II, DR Beta 1), and among its related pathways/superpathways are Phosphorylation of CD3 and TCR zeta chains and Cell differentiation - expanded index. The drugs Acetylsalicylic acid and Iron have been mentioned in the context of this disorder. Affiliated tissues include Neural Tube, Limb and spinal cord, and related phenotypes are spasticity and diplopia