You are currently viewing Chronic Diarrhea & Its Causes – Mnemonic

Here is a quick mnemonic “CHRONIC DIARRHEA to remember about Chronic Diarrhea & Its Causes

This can be valuable for patients as well as medical doctors, nurses & students doing their clinical rounds. You can also find it very useful for med exams like USMLE, NExT Medical Step 1&2, MBBS, NEET PG, INI-CET, FMGE,MCAT & NCLEX exams

Chronic Diarrhea & Its Causes : How To Remember Easily ?

C: Chronic diarrhea lasting >4 weeks warrants evaluation to exclude serious underlying pathology.

H: Hormones are classic examples of secretory diarrhea, such as those mediated by gastrointestinal carcinoid tumors.

R: Reduced negative feedback regulation of bile acid synthesis in hepatocytes by fibroblast growth factor 19 produces bile acid diarrhea (BAD).

O: Osmotic diarrhea occurs when poorly absorbable solutes draw enough fluid into the lumen to exceed the colon’s reabsorptive capacity.

N: Noninfectious causes of chronic diarrhea are predominant in contrast to acute diarrhea.

I: Inflammatory causes of diarrhea are accompanied by pain, fever, bleeding, or other manifestations of inflammation.

C: Congenital defects in ion absorption may cause watery diarrhea from birth.

D: Dysmotility causes of diarrhea include hyperthyroidism, carcinoid syndrome, and certain drugs.

I: Idiopathic inflammatory bowel disease is among the most common causes of chronic diarrhea in adults.

A: Atypical causes of diarrhea, such as factitial diarrhea, should be considered in unexplained cases.

R: Rapid transit may accompany many diarrheas as a secondary or contributing phenomenon.

R: Roughly, Steatorrheal causes of diarrhea result from fat malabsorption, leading to greasy, foul-smelling, and difficult-to-flush stool.

H: Hundreds of prescription and over-the-counter medications may produce chronic diarrhea as side effects.

E: Eosinophilic gastroenteritis, characterized by eosinophil infiltration, may cause diarrhea, pain, and vomiting.

A: Any middle-aged or older person with chronic inflammatory-type diarrhea and blood should be evaluated for colorectal tumor.


Dr. Arin Nandi

Passionate About Medical Science & Helping Future Doctors Achieve Top Ranks In Medical Exams. He is professionally a dentist as well as a public health expert from JIPMER (1), (2)working in health department