should i take him in?

this is the notes i kept of how my sons been acting today. he has barelyyy walked at all, mostly laid down or sat up and not been interested in anything. he’s either cried like he’s in pain or he’s being spacing out. he has a tooth coming in, but he didn’t act like this with his other teeth. when he cries, he either shakes like hes in pain (almost like he’s trying to poop but he’s not i checked) or i pick him up and he doesn’t stop which isn’t like him. i called a nurse line but they said it could be 2 hours before a nurse calls me. hes 16 months.