I started having what I call "episodes" in Feb and they happen several times a week lasting for several hours. It became more frequent and intense. My episodic symptoms include dizziness, nausea, weakness, foggy brained, Shaky hands, feeling cold, exhausted, and just overall terrible. I later had chest pains, but I wore a heart monitor, an echocardiogram, got blood work and x-rays and everything came back normal. I haven't had an episode in 2 weeks, but I always have a headche, nauseous for most of the day, and my eye keeps twitching. I'll get also randomly get dizzy, I'm still exhausted all of the time, and I feel weaker than normal. My doctor thinks it is FB. I do have some pain, but it doesn't sound like the same kind of intense pain others described so I'm not sure if this is a flare up, normally has FB is, or if it is something different. Any insight would be greatly appreciated!