Baby not eating

Hi ladies, My daughter is now 15 1/2 months and in the last week has not been keen on eating ANYTHING! The days before this week she was atleast having some fruits and I could distract her with a book/toys to eat a little bit of food But now she just either waves her hands about, squashes the food or spits it out if I put it in her mouth Kind of struggling on what to do?? She is still having cows milk - about 15 ounces daily spread across 3 bottles She has only 3 teeth - so hoping to put it down to teething - but how long will this last??? It’s driving me crazy that she’s not eating a single bite 🥲