I used the word "properly" to Ocean because in another post, it was mentioned that he/she "took large amounts", which would imply to me that the remedy was not done with any kind of guideline based on a clinician's protocol, therefor the negative reaction could not be based on the substance ingested alone, it would have to take into account how it was actually used.
Any remedy done in too large of amounts can have a negative reaction, including drinking water.
I did something similar to the Gerson's approach.
Do you have any of their books?
I do believe if you have done chemo, they will not allow the castor oil in their protocol, and it could induce labor if you are pregnant.