I don't know what to do

I have been feeling and doing pretty well for about a week or two, but just a day ago I've been feeling uneasy and getting irritated easily by everyone. Today is the first day back to work after our weekend and as soon as I get here I got a anxious or worrying feeling and I just feel like going home. I cried for like a minute stoped and began crying again. I don't know how to control myself, I hate feeling this way I'm