I Was Diagnosed To Have Multiple Sclerosis 2 Ys Ago

i was diagnosed to have multiple sclerosis 2 ys ago and took interferone then 2 month ago underwent lumbar puncture after that my menses becomes very painful with leg pain and numbness in all my legs and arms that stay even after menses finishes by 1 week what is the reason and is there any medication to releive my condition ? thanks