You are currently viewing Acute Diarrhea – Mnemonic

Here is a quick mnemonic “ACUTE DIARRHEA DETAILS to remember about Acute Diarrhea

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

Acute Diarrhea : How To Remember Easily ?

  • A – Abdominal pain and fever often accompany infectious diarrhea.
  • C – Clostridium difficile overgrowth can cause diarrhea after antibiotic use.
  • U – Upset stomach occurs when ingested agents bypass the body’s defenses.
  • T – Travelers to endemic regions may develop diarrhea due to various pathogens.
  • E – Enterohemorrhagic E. coli can lead to a severe hemolytic-uremic syndrome.
  • D – Daycare attendees and their family members are at risk of common infections.
  • I – Immunodeficient individuals may experience severe and prolonged diarrheal illness.
  • A – Autoimmune-type manifestations can follow infections by certain pathogens.
  • R – Reactive arthritis and conjunctivitis can accompany or follow certain infections.
  • R – Remember : Medications, such as antibiotics and NSAIDs, can cause noninfectious diarrhea.
  • H – Hemolytic-uremic syndrome can result from certain bacterial infections.
  • E – Enterotoxin-producing bacteria cause watery diarrhea with vomiting.
  • A – Arthritis and urethritis may follow infections by certain pathogens.
  • D – Dysentery, or bloody diarrhea, can be caused by invasive microorganisms.
  • E – E. histolytica may cause dysentery with bloody diarrhea.
  • T – Toxins from medications can be common noninfectious causes of diarrhea.
  • A – Acute lower abdominal pain preceding watery, then bloody diarrhea, can be caused by ischemic colitis.
  • I – Ingesting toxins like ciguatera or scombroid in seafood can lead to diarrhea.
  • L – Left colon and sigmoid may show inflammatory changes in ischemic colitis.
  • S – Sparing the rectum, ischemic colitis primarily affects the sigmoid and left colon.


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