Nothing scary, I have been working out daily so my body is normal sore. I have noticed my pain moving but I'm able to make it go away pretty quick or sleep it away.it makes me laugh sometimes actually as it tries. I have had it move around my back, shoulder, foot, headache, I even got a cold for the first time in 2 years which I think may be related. It truly is like I have been told though. It really will try and move to trick you.