I’m stumped!!

Ka

I’m calling the pediatrician today but figured I’d pop on if anyone has any insight. My son turned 3 in Jan. Last night he woke up at 4am and threw up a liquify foamy substance. He did that three times over the course of 2 hours. After that he was fine all day except he had loose stool in the morning. He was running around/playing/eating/drinking etc. so I just assumed maybe he ate something funny or it was a quick bug.

Tonight at 4:30am he did the same thing!!?? My husband and I are very confused!

Any insight?!