Girls need help. We were on formula since birth, ate well, but a month…

Girls need help. We were on formula since birth, ate well, but a month ago, a terrible allergy started, the doctor said to change the formula to hypoallergenic, that's accumulation allergy. We took Nutrilon, the daughter ate it well, but here we have left 100 grams in the third pack, she doesn't eat, doesn't take this formula, cries, gave her yesterday for interest, she eats, everything is fine. On hypoallergenic not like, even nan. And on non-sterile, I'm afraid to give, suddenly again allergy. The doctor isn't a fool, explains that she doesn't eat, says let's take another one, and says