Can't speak for others, but mine last for a long long time. Lots of anxiety. I mean lots and lots...my chest felt like someone poured acid on it. I could function at work, but barely. Mostly my mind raced, and I obsessed over everything. Matter of fact, that was my last diagnosis made by a shrink...I didn't even know they diagnosed that using that term anymore! but they did, with me. I was a wreck for sure,