Girls, it's me again ? There are experienced moms here, my daughter th…

Girls, it's me again ? There are experienced moms here, my daughter throws up after every feeding almost like a pediatrician says that this is possible, mucus comes out. Of course, I will go to the doctor tomorrow, but I wanted to ask if this happens? Sorry for the photo! There's no fever, relatively active, but today she wants to sleep more often, I think it's connected with the fact that they got sick, the body is gaining strength