The first instillation of BCG went well. After reading all the information on the BLCWebCafe, I took NO food or drink for a couple hours before, then made sure to drink plenty of water afterward (over 8 ounces each hour). Later in the day I began to feel feverish (without an actual fever), and a bit achy. The next morning I woke feeling much the same, but that feeling intensified through the day, and by midday I couldn't even concentrate. After a good nap things began to subside, until evening when I felt much better. I passed a couple of blood clots late at night.