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By Kristine Gill and Briana Engelbrecht | Published on November 18, 2025
Fact Checked by Shannon Vestal Robson
Switching your baby’s formula for any reason (whether it’s not agreeing with their tummy, there’s been a recall or your brand is affected by a shortage) can be stressful, and we know it’s tough to pick the right formula for your baby in the first place. But don’t panic: “The majority of babies actually switch formulas and don’t have any difficulty,” says Dr. Victoria Regan, a pediatrician with Children’s Memorial Hermann Pediatrics.
Whatever reason for the switch, rest assured that you don’t need to worry about picking the perfect alternative—all infant formulas marketed in the US must meet the nutrient specifications listed in FDA regulations.
Below, we’ve got more specific guidance on what to look for when you need to switch, and some tips on how to make the transition go more smoothly.
If You Have to Switch Baby Formulas Quickly
If your baby’s usual formula is affected by a recall—like the recent one from ByHeart—you might need to make a switch sooner than expected. “If there is the potential for a formula contamination, going cold turkey is important to reduce any risk of illness,” says Dr. Jonathan Jassey, a pediatrician at Concierge Pediatrics based in Long Island and New Jersey. While an abrupt change can feel stressful, the good news is that most babies adjust just fine—baby formulas are all very similar due to regulations. Dr. Jassey adds, “Because the ByHeart formulas that are affected by this recall do not appear to be specialized formulas (like hypoallergenic formulas, for example), parents should be confident to just make the switch.”
If you’re switching quickly, you can introduce the new formula all at once. Some babies may experience tummy troubles (think gas or spit-up), but those symptoms usually resolve pretty quickly. If they don’t—or if you see things like blood in their stool or excessive crying—it’s a good idea to check in with your pediatrician.
*Concierge Pediatrics does not endorse any specific brand.