Here is the PDF if anyone wants to read it. Fascinating story. I read this book about 10 years ago and have used Lobelia on myself and others successfully with no negative side effects (unless you count vomiting, which is the whole point of it, to be a negative side effect).
https://swsbm.henriettesherbal.com/ManualsOther/Samuel_Thomson-Lloyd.pdf
When I gave my mother ivermectin for the very first time, it went the opposite direction.
Her poop started looking really weird. No, I didn't see it for myself, I took her word for it.
Must've been the parasites she didn't know she had.