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The ABCs of Formulas

Spotting Formula Problems

How can you tell whether your baby really has a milk allergy? Common symptoms include rash, wheezing, upset stomach, vomiting, and diarrhea. Although less common, Joanne Cox, MD, associate chief of General Pediatrics at Children's Hospital Boston adds that blood in the stool is a tell-tale sign.

Call your pediatrician if you notice blood in your baby's stools, or any of the other symptoms of a milk allergy:

An allergist can test your baby for a milk protein allergy.

Which Formula Should I Try?

If your baby has a true milk allergy, here's a rundown of the non-cow's milk formulas you can try:

Soy

Soy formula is an option for babies with lactose intolerance. However, some babies with milk allergy have the same reaction to soy formula as they do to cow's milk formula.

Some parents put their babies on soy formula because they think it's easier to digest. Yet there is lack of evidence that soy formulas are helpful for babies with milk protein allergy or colic, according to the American Academy of Pediatrics (AAP).

The AAP recommends that use of soy formula be limited to babies with the rare disorders galactosemia or congenital lactase deficiency, which prevents the body from breaking down sugars in cow’s milk.

Hydrolyzed or Hypoallergenic

These formulas are most helpful for the small number of babies who have a true milk protein allergy. Research finds that hydrolyzed formulas can help improve allergy symptoms, and they also help allergic babies gain weight better than regular formulas. Some babies at high risk for allergies may also benefit from this type of formula. Your pediatrician would be able to tell you whether your baby should be using hydrolyzed formula.

Switching Formulas

If you think your baby has a formula intolerance, don't just switch from one formula type to another in an attempt to find one that works. "I don't think you're necessarily doing your baby any favors, because they might have some diarrhea or gas from switching around all the time," Brown says.

Frequently switching formulas also makes it harder to know for sure which ingredients are causing your baby's distress. Before you change to a new formula, check with your pediatrician. Once you make the switch, give your baby at least a few weeks to get adjusted.

Once your baby is older, you can try changing back to cow's milk formula. Just make the transition gradually, adding about an ounce of the new formula at a time, Cox advises.

 

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Reviewed on July 01, 2010

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