Why would my symptoms get worse?

So I started taking VSL#3 (2 caps in the AM & 2 before bed) and also added homemade SCD legal yogurt to my diet. Along with a few other random things like mango's, cantaloupe, almond butter (ran out of sunflower seed butter), and avocados. For the past two days my symptoms have gotten worse. I've noticed more blood but the same number of BM's.

What gives?!?! I had white rice last night as well with my baked tilapia. Am I going too fast adding things back? Is the combination of VSL#3 and yogurt too much for my system?

Sounds to me like you are doing too many things at once. Just your signature alone makes me wonder. Are you sure everything you are doing in your signature is helping? I always tried one thing at a time and then I knew if it worked then it was a keeper, if not it was a dropper. Certain probiotics can make you worse, including the VSL and the ones mentioned in your signature. Digestive enzymes made me worse. Fish oil made me worse. You may have started the VSL at too high of a dose. Usually you should start out at a lower dose and work your way up. I have reactions to high histamine foods and mangos, cantaloupe, seeds, nuts, and avocados would make me much worse. The rice could even be responsible. Things are much easier to figure out if you do one thing at a time and see what happens. On top of that I believe that some of this stuff has cumulative effects. Like A, B, and C may not hurt you at all individually but if you eat A, B, and C altogether at the same time, you might get worse.

Melons do that to me. Cannot eat them at all without butt burn.

That's why I mentioned the histamines. Fruits have histamines and the riper the fruit the more histamines it has. Since taking the digestive enzyme DAO, which breaks down dietary histamines, I have been able to eat these foods again, although I make sure I don't overdo it. The more fruit I have and the riper it is the more DAO I would take. These things would send me to the bathroom 10-20 times over the next few hours with bloody diarrhea. Unfortunately, whenever I eat fruit is more of a snack than part of a meal so it's kind of a pain to take DAO every time you want a snack. For me it is usually easier just to avoid excess fruit.

Except for the switch in probiotic. Changed from Garden of Life to VSL#3.
I'm still on pred and will be starting my taper on Mon by 5mg. I also go see my GI on Wed.