First, I hope Corky gets better, good wishes going out to you.
Second, I don't know if your baby ate a mushroom or not but, my Scooter ate a mushroom from outside. He had the runs and vomiting really bad for like 3 days. The vet gave him something for nausea & the runs. He came out of it fine, but I am now on constant mushroom patrol! I have a can of coins that I shake so it makes a loud noise anytime any of them go near a plant or put anything in their mouths other than food/water or a toy. They are just like babies, everything goes in the mouth!