Suggest Treatment For Herniated Disk In The Lower Lumbar Region

I am a 27 year old female. 170 lbs. 5'9 ". I have a herniated disk in my lower lumbar region and I was just diagnosed with MS. The pain in my right side is unbearable right now, even with the aid of percocet and neurontin. should i go to the er? the pain and weaness is going to my right arm and into my neck.