Indeed they do. Not one of my symptoms (burning sensation), but this is what can make this forum useful. I know I've read from others that this can happen.
Humaworm is pretty informed and willing to help anyone whether a customer or not. If you are not satisfied with what you find in this forum, check out Huma's. DO NOT be afraid to ask him questions.
Stick with us too. Your post should get some good responses once a few more come on.