When the Cure Feels Worse Than the Disease: My Repatha Nightmare I thought I was doing the right thing when I agreed to try Repatha injections. Supposed to help with cholesterol, supposed to make things better. Well, let me tell you — it did anything but. After my very first injection, I thought I was fine. Then day three rolled around, and I woke up sick as a dog. I’m talking full-blown vomiting, all day long. By 10 PM that Thursday night, I was so dehydrated and weak that I had to be hauled off to the hospital. That was…