My suspicion is that the bacteria in the probiotic set off the immune system and this is why you are seeing this inflammatory condition. The immune system is dysregulated because of the primary infection which means that that likely the immune system did not like that form of bacteria put into the system.
When the immune system hyper reacts then it spills out lots of strong chemicals which are all strong oxidants. These oxidants then overwhelm the body and you see these symptoms. In other words, your body is being poisoned by the immune response.
When this happens for me, I use bulk charcoal which has been a great weapon, it will pull out toxins like crazy. I also use Vitamin E and other antioxidants. Buffering agents will also neutralize the acids that are created by the immune reaction. Buffering agents would include magnesium, potassium and sodium. Ionic minerals contain these agents and neutralize toxins. There are a number of products such as IonCharge by Source Naturals.
Candida can be bad but there could be a number of other pathogens that inhabit the gut including parasites. parasites are more problematic than candida in most cases. In my case this was true. Test the protocols for candida and if you do not see improvement then other pathogens should be considered.