If you are wondering if you can use a pacifier for your second baby, the answer is yes! There are no negative effects of using a pacifier, even if your second baby is breastfed. In fact, using a pacifier can actually help to reduce the risk of SIDS.
There are a few things to keep in mind when using a pacifier with your second baby. Make sure that the pacifier is clean and sterilized before each use. It is also important to only give the pacifier to your baby when he or she is calm and not upset. This will help to avoid any nipple confusion.
Overall, there is no reason why you cannot use a pacifier with your second baby. If anything, it can actually be beneficial in reducing the risk of SIDS. Just be sure to keep it clean and only give it to your baby when he or she is calm.