In January of 2017 I was studying abroad in Israel. I was told NOT to drink the tap water OR brush my teeth with it, and to carefully wash all the fruits and vegetables I ate.

Well—I did none of those things. And within several days of being there my neck started getting all blotchy and I was developing a severe rash.

Within a matter of just a couple more days I knew something was seriously wrong. My digestion was terrible. I was bloated to the max and my whole body had such an unbearable rash. I was so itchy and uncomfortable any place other than soaking in the bathtub. It was also so bad I was embarrassed to wear anything other than a sweatshirt so no one could see my skin.

Things continued to get worse for many months, and by April of that year I noticed a large bulge in the bottom right side of my abdomen—which I eventually realized was the home of my parasite.

I was miserable, tired, and unhappy—to say the least. And desperate to get the parasite out. I had very...