I know you would have more comfort hearing from ML, but let me encourage you to keep doing what you are doing.
I too use to not sweat...matter of fact, I could not even allow myself to be in a hot bath at first without becoming ill, I would just turn beet red. Experiment with the different kelps to see which one seems to help you all around. It will take some time for all your organs to work together and make your body run smoothly.