question: My girlfriend called me freaking out and I ve been googling for some time now and not getting a straight answer so I hope you can help, here s what happened she has a 3 month old son who is primarily breastfeeding but sometimes when she is at work he has formula. the baby sitter didn t know much about formula she had a bottle of ready to feed enfamil and gave him a bottle. She didn t know to refrigerate it and the next week she needed to supplement formula again and gave him 4 ounces of the Same formula that had been out all week. Is he going to be ok or should she bring him to the hospital? Please help I need a straight answer for her.