Causes of Pediatric Diarrhea - Differential Diagnosis Algorithm

Infectious:

 • Viral

 • Bacterial

 • Parasitic

Malabsorption:

 • Lactase Deficiency

 • Cystic Fibrosis

 • Celiac Disease

 • Primary Immuno-Deficiency

 • Dissacharidase Deficiency

Other:

 • Toddler's Diarrhea

 • Constipation/Overflow Diarrhea

 • Drugs

 • Laxative Abuse

 • Inflammatory Bowel Disease

 • Overfeeding

 • Short Bowel Syndrome

 • Food Poisoning

 • Irritable Bowel Syndrome



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