Carson has had diarrhea today, it's now 12:30 and he keeps waking up screaming. He cries until I…

Carson has had diarrhea today, it's now 12:30 and he keeps waking up screaming. He cries until I give him his blankie and he pulls it up to his face and goes back to sleep. I take the blanket away once he's in a deep sleep. It's been a cycle tonight. I don't know what to do, I can't sleep knowing he has a blanket...