When Can Your Baby Drink Milk? It’s best to feed your baby only breast milk until 6 months of age. If you can’t breastfeed, you can give them infant formula. You can start introducing pureed foods at ...

If your baby seems to react badly to infant formula milk, you're probably wondering why it's happening. Maybe you think it's a cows' milk allergy, milk protein intolerance, or lactose intolerance.