This patient support community is for questions related to juvenile diabetes including celiac disease, depression, diabetic complications, hyperglycemia / diabetic keto-acidosis, hypoglycemia, islet cell transplantation, nutritional issues, parenting a diabetic child, pregnancy, pump therapy, school issues, and teens with diabetes.
DO NOT stop giving her injections - she will get very very sick. Insulin is a hormone your body makes naturally - there's nothing "extreme" about it. I'm horrified to think what kind of nurse told you this.
Please just accept this new reality. It won't go away and it is something that is manageable.
PS: A second opinion is always a good idea.