]> 2026-07-31T12:14:13+00:00 WBR0468 0 en Administration of lactulose Administration of lactulose induces osmotic diarrhea. Carcinoid tumor Carcinoid tumors frequently manifest with secretory diarrhea. Rectal villous adenoma Rectal villous adenoma frequently manifests with secretory diarrhea. Administration of selective serotonin reuptake inhibitors (SSRI) SSRI administration may manifest with secretory diarrhea. Laxative abuse Laxative abuse frequently manifests with secretory diarrhea. Pathology Pharmacology A 5-year-old boy is brought by his mother to the physician's office because she is concerned that he is unable to ingest dairy products anymore. She explains that every time he attempts to drink milk, he experiences abdominal pain and explosive diarrhea. Following appropriate work-up, the boy is diagnosed with lactase deficiency. Which cause of diarrhea is most likely characterized by the same type of diarrhea associated with lactase deficiency? A Gastrointestinal 2020-10-28T00:40:54Z 2459150.5284028 WBR0468