A parent or caregiver needs to seek medical attention if the toddler’s diarrhea lasts more than 24 hours, is accompanied by a fever of 102°F (38°C) or higher, or there are signs of dehydration. While ...
Osmotic diarrhea is when undigested material reduces how much water and electrolytes the bowels can absorb. It can occur when a person’s body has difficulty digesting certain foods, such as lactose.