I boil my own herbs from http://www.Herbalhealer.com.
If you don't use the correct dosage all the things you mentioned that happened to you will happen.
I have been Stage IV Non-Hodgkins B-Cell Lymphoma for almost 7 years now. I have been doing Essiac for about 6 years.
I do a lot of natural supplements. I work 40 hour weeks. I have 5 grandchildren and 1 great granddaughter. I did not do chemo, bone marrow transplant or radiation. I take no medication of any kind.
If you want to go to my personal website(NO ADVERTISEMENTS ON MY WEBSITE) I believe it will encourage you. http://www.dhamilton.ws