Many thanks Dr Khaled

Question was contraindications in healthy children

I too, believe there is no contraindication in using prebiotics and probiotics in case of diarrhea specifically in healthy children. Probiotics are nothing but regular gut flora that acts beneficially in body and one of the best way is by maintaining balanced microbiota in GI tract. Actually it is a good practice to restore the state to intestinal health during gastric disturbances. Definitely, it strain to strain variation is an important factor.

Some prebiotics may be gas producing and might have the potential to increase discomfort in children with diarrhea.

So far, there is none. However, probiotics action are mostly strain and pathogen specific