Red bumps under babies nose

So

My son is 8 months old and has a few pimple like red bumps underneath his nose. Should I take him to the doctor? He’s my first baby and idk if you’re suppose to take babies to the doctor over stuff like this? Like he’s not acting sick and it doesn’t like likes meningitis rash or impetigo rash so I don’t think it’s a virus. I’ll try to post a picture in here later if I can if his nose if he’ll let me