Pediatric Skin Allergies: Transitioning to Hydrolyzed Formula - Pediatrics

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Skin Allergy (Continued)


Hello Doctor, I have consulted with you regarding my child's skin allergy and have been switching to hydrolyzed protein formula.
Over the past week, I have gradually transitioned to half hydrolyzed formula and have noticed that my child's stools are indeed softer and sometimes a bit watery.
Previously, my child would have a bowel movement once a day, but now with the formula change, it has increased to 2-3 times a day, and there was one day with 4 times.
I would like to ask if this is normal or if it indicates diarrhea.
When can I fully switch to hydrolyzed formula, but I am also concerned that it might lead to even softer stools or more frequent bowel movements.
Thank you, Doctor!

rita, 30~39 year old female. Ask Date: 2010/09/16

Dr. Pei Rensheng reply Pediatrics


Dear Rita: Hello! It is normal for stools to be more pasty when drinking water mixed with protein powder compared to regular formula.
If you notice blood or mucus in the stool, it may indicate a possibility of gastroenteritis; also, if there is slow weight gain, it would be advisable to have a pediatrician examine the child.
Wishing you health and happiness! Sincerely, Dr.
Pei Ren-Sheng, Chief of Pediatrics, Taoyuan Hospital, Department of Health.

Reply Date: 2010/09/16

More Info


When it comes to pediatric skin allergies, particularly in the context of transitioning to a hydrolyzed formula, there are several important considerations to keep in mind. First, it's essential to understand the nature of skin allergies in children, especially those related to food sensitivities or intolerances. Hydrolyzed formulas are often recommended for infants and children with a history of allergies, as they contain proteins that are broken down into smaller peptides, making them less likely to provoke an allergic reaction.

In your case, you've mentioned that since starting the transition to a hydrolyzed formula, you've observed changes in your child's bowel movements, including increased frequency and a change in consistency. It's not uncommon for infants to experience changes in their stool patterns when switching formulas. Hydrolyzed formulas can sometimes lead to softer stools, and in some cases, this can be mistaken for diarrhea, especially if the stools are more frequent than usual.

The increase in stool frequency from once daily to 2-3 times, or even 4 times on some days, can be within the realm of normal, particularly if the stools are not excessively watery or accompanied by other symptoms such as fever, vomiting, or signs of dehydration. However, if the stools are consistently very loose or watery, it may indicate a mild gastrointestinal upset or intolerance to the new formula. It’s important to monitor your child for any signs of dehydration, such as decreased urination, dry mouth, or lethargy.

As for the timing of fully transitioning to the hydrolyzed formula, it is generally recommended to do so gradually, as you are currently doing. This method allows your child's digestive system to adjust to the new formula. If your child is tolerating the half-hydrolyzed formula without any significant adverse reactions, you can continue this gradual transition. If you notice that the stool consistency worsens or if there are any concerning symptoms, it may be wise to consult your pediatrician for further guidance.

In terms of when to fully switch to the hydrolyzed formula, this decision should be based on your child's tolerance and the advice of your healthcare provider. If your child continues to have loose stools but is otherwise happy, feeding well, and gaining weight appropriately, it may be acceptable to proceed with the transition. However, if you have any doubts or if the stool changes are accompanied by other concerning symptoms, it would be prudent to seek medical advice.

Additionally, keep in mind that dietary changes can take time to stabilize. It may take a few days to a couple of weeks for your child's digestive system to fully adapt to the new formula. During this period, maintaining a close observation of your child's overall health and stool patterns will be key.

In summary, while changes in stool patterns can occur with the introduction of a hydrolyzed formula, it's important to monitor for any signs of diarrhea or dehydration. Gradually transitioning to the new formula is a sound approach, and consulting with your pediatrician can provide personalized guidance based on your child's specific needs and responses.

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