Moms I need help these dots/bites have popped up on my sons body like arms to both legs not a ton…

Moms I need help these dots/bites have popped up on my sons body like arms to both legs not a ton but enough to notice I just moved so doctors isn't a option in a timely manner due to Medicare situation I am trying to figure out what kind of bites these are I do have dogs and they do have fleas I'm getting there medicine tomorrow and giving them a flea bath I'm curious if these are flea bits or mosquito we don't have bed bugs I checked never had them before and don't have them now but please help I'm a first time mom and he's acting fine I just need advice on what they are , what to do I'm lost 😭😭