Sorry to hear you're going through so much anxiety about this. I hope your doctors find a solution for you.

One thing I wanted to mention regarding MS, is that that symptoms associated with it can have hundreds of other causes. That's likely why a lot of us on here jump to it as a conclusion when we get numbness and tingling. Google will throw it up as the first option simply because of the keywords we use to search our symptoms. The real cause could be something entirely different. Like somebody else mentioned, deficiencies can cause those symptoms too, as can many other benign things