Milk storage guidelines recommend discarding leftover breast milk after two hours because of the potential for bacterial contamination from your baby's mouth. Previously frozen milk should be used within 24 hours once thawed and refrigerated. If left on the counter, throw out after 2 hours.
Accordingly, how long can breast milk sit out before its bad?
Furthermore, how will I know if breast milk is spoiled?
Smell Your Breast Milk
If you've stored it in the refrigerator or at room temperature, the “sniff test” could be a reliable way to determine whether your milk has gone bad. While variances in the smell are normal with breast milk, if yours smells rancid or like sour milk, it has probably gone bad. Can I put breast milk back in fridge after baby drinks from it?
When reusing breast milk, remember that leftover milk that was not finished from your baby's bottle can be used for up to 2 hours after he or she has finished feeding. Thawed breast milk that was previously frozen can be stored at room temperature for 1 – 2 hours, or in the fridge for up to 24 hours.
What happens if your baby drinks spoiled breast milk?
What will happen if a baby drinks spoiled breast milk? It could cause vomiting or diarrhea which could be dangerous for your baby.