How do you know when it an ms hug as apposed to anxiety, a muscle situation, or so many other things? I’m currently going through testing for ms. It’s been a process. My neurologist has told me to call the ms clinic if I have any new symptoms but how do I know when something is an ms symptom as opposed to a symptom of something completely unrelated. If had a tightness in my very lower chest/back 2 nights over the past week that has made it hard to sleep. But how is one supposed to know what it is or if it is call worthy?