Re: What could this be? may be tmi...
Hmm.. I'd have thought of food allergies too. By chance the formula couldn't have gotten contaminated?
He most likely is emptying his system. It's a natural protective defense. He's just over a year right? So snacks?
It really does sound like a digestive reaction. The runny nose, snuffle, etc., can be indicative of an allergy or a bug. It could be just coincidental that he has both at the same time.
Blessed Mama to Ana(16), Christian(13), Hannah (^i^ 2/14/01-2/26/01), Elizabeth(10), Rebecca(8), Timothy(7), Abigail(5), Sarah(4), Ella(2), & Olivia (1)