When I get mirgaines I have used a cool wash cloth but not on my rsd area. I feel baths are the best for that for any change in temp. We are all different that is for sure. I also think there is a difference when one does something like this to themselves vs when someone does it to them. Like I can put a light finger on my area but if a doc or someone else it really flares me up cause I know the time to do it,the amount of pressure and more where if that makes sense.