There are various treatments for leukemia. Your physician will take the best chance depending on a variety of factor. If a patient does not respond to one treatment a different course of accomplishment might be taken. Different treatments include: chemotherapy, radiation therapy, transfusion and biological psychiatric help. And although patients may be unresponsive unless they do not want to be treated all option are exhausted. At that point patients usually take medication to luxury discomfort associated with the disease. As for going into a coma it would depend on the type of medication the lenient is taking.
Yes, there are miscellaneous treatments for leukemia. If you weren't responding to one, the doctors would try something else.
You probably would always be taking some compassionate of medicine. Mixing it next to anything you get from the drugstore is not a upright idea.
Mixing drugs can result in a coma. Mixing drugs and alcohol can cause a coma. Cancer can do a coma.
So can a head injury. Or serious disease.