I was a patient of Dr. Yu's for a short period of time, and while his protocols sound impressive, I…read moreneed to warn anyone who is considering seeing him that his approach is dangerous. He often prescribes 6-7 anti-parasitic, anti-fungal and antibiotic drugs all at once to his patients, citing the need to be aggressive with the parasites and infections because they are difficult to kill. While I understand this on the one hand, I learned the hard way that the body often can't handle that many drugs at once. After four months of being on his protocol, I developed MS-like symptoms and nearly overnight, lost my ability to walk. In addition, I began to suffer from coordination problems, disequilibrium and tremors, which, six months after stopping the meds - still have not resolved. I can no longer work, drive or do much of anything. I have since learned that this very same thing has happened to other patients of his, two of whom confessed to me that they have never recovered from the neurological damage that Dr. Yu did to them. One of his own staff members, Jen, even confessed that some of their patients have developed more severe neurological symptoms on his protocols, but that they are "usually" able to resolve them within a year. Please tell me, how is it okay to disable patients with your protocols, especially when you KNOW you are harming them?! Doctors take an oath to "first do no harm" to their patients, but Dr. Yu does not. It doesn't matter if you think that you are helping more people than you are harming - it is not okay to harm a few for the sake of the majority. And I have to question whether it is only a few people who have been harmed, since his assistant Jen confessed to other patients suffering harm, and just a couple of my FB posts on a Lyme FB group invited answers from others who were damaged by his protocols. Furthermore, three other reputable doctors have since told me that no studies have ever been done to show that it is safe to prescribe more than three medications at once, and they told me that Dr. Yu's protocols are indeed dangerous and that he doesn't test for patient sensitivity to his protocols - only what meds the body may need. What is most infuriating is that when I and a couple of others reached out to him to share our experiences, we were completely disregarded and blown off by him and his staff. They only said, "Come back to the clinic" - when I insisted that they tell me what might have happened, because I can no longer fly to his clinic in St. Louis. One person who did go back said that she was made worse when Dr. Yu tried to fix the neurological issues that he had created in her. The fact that he has paid little heed to or shown little concern for his patients who have been made worse by his regimens should be a huge red flag to anyone pursuing treatment with him. I hate to speak badly of any doctor, because most are just trying to do their best - but I need to warn others that Dr. Yu's protocols are risky at best, and dangerous at worst, for anyone considering doing them. And I am not a sensitive person, because I have seen many doctors over the years, and never had one damage me as Dr. Yu did.