What's the symptoms of a food intolerance in a toddler?

Diarrhea/spitting up: Food tolerance symptoms are variable from patient to patient and may differ in the same patient with the food item involved.Most toddlers that are symptomatic will have loose stools and associated cramping.If stools are loose enough for long enough they may have a persistent diaper rash. Some may spit up instead, or just cramp without diarrhea.

Food intolerance: Symptoms may differ but typically would manifest in poor weight gain and growth pattern, or actual weight loss, diarrhea, being tired, less active, abdominal discomfort, skin rashes, frequent infections due to poor absorption of essential nutrients and many more depending on the food and missing nutrients.