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 ...

Medically reviewed by Kumkum S. Patel, MD Key Takeaways Chronic diarrhea can cause weight loss due to loss of body fluids.Weight loss from diarrhea is mostly water weight and will likely ...

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.