So my 15 month old is so hard to get her to eat and all she wants to do is drink drink drink. She…

So my 15 month old is so hard to get her to eat and all she wants to do is drink drink drink. She drink milk if I keep giving it to her. But some days all she'll want to do is eat. I'm worried something might be wrong with her swallowing or has acid reflux. We go to the doctor on Tuesday. Any momma's out there go through this??