My son seems to be acting different he’s 4 months but besides acting different he’s also drooling a lot but he’s always done that. But he seems fussy, keeps yelling, and moves suddenly or kinda shakes almost like he’s excited but it seems like something is bothering him I

Cant see any teeth yet

Possible teething ????

Drops suggestions below please! He’s been very needy and I’ve had to hold him like all day his naps have also been short