 This trial will assess the impact of the nutritional product PTM202 on childhood diarrhea in Guatemalan children. The product is based on cow-milk colostrum and egg. The trial will enroll children between the ages of 6 months and 3 years and will assess the impact of the study nutrition product on the duration and severity of diarrhea and on weight recovery in the 4 weeks following the diarrheal episode. The investigators will be determining the etiology of the diarrhea episode to ascertain if the nutritional product works better for certain etiologies or has a non-specific benefit. 