...and tried thickening his formula with rice cereal – which just made things worse. Riley also switched formulas multiple times, from soy to Nutramigen and then Alimentum, both hydrolysate formulas. “Nothing helped,” says Michele. “He spit up almost everything he ate and everything else came out the other end!” Finally, when Riley was three months old, both blood and mucous were found in a stool sample, indicating an allergy. A pediatric allergist and pediatric gastroenterologist...