You are currently viewing Acute Diarrhea Treatment – Mnemonic

Here is a quick mnemonic “FLUID BALNCE to remember about Acute Diarrhea Treatment

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 Treatment : How To Remember Easily ?

F – Fluid Replacement:

Fluid and electrolyte replacement are crucial for all forms of acute diarrhea. Mild cases may only require fluid replacement, but severe diarrhea requires prompt administration of oral sugar-electrolyte solutions to limit dehydration, the major cause of death.

L – Loperamide:

Loperamide is an antimotility and antisecretory agent that can be useful in moderately severe nonfebrile and nonbloody diarrhea to control symptoms. However, it should be avoided in febrile dysentery as it may prolong the illness, and caution should be exercised when used with drugs that increase levels due to cardiotoxicity.

U – Use of Antibiotics:

Judicious use of antibiotics is appropriate in selected cases of acute diarrhea. They may reduce the severity and duration of the illness, especially in patients with febrile dysentery or suspected giardiasis.

I – Immuno-Compromised Patients:

Certain treatments, such as bismuth subsalicylate, should not be used in immuno-compromised patients due to the risk of bismuth encephalopathy. Antibiotic coverage is indicated in immunocompromised patients, regardless of whether a causative organism is identified.

D – Diagnostic Evaluation:

In some instances, empirical treatment may be warranted without diagnostic evaluation, especially for febrile dysentery and suspected giardiasis. However, in other cases, selection of antibiotics and dosage regimens should be based on specific pathogens, geographic resistance patterns, and patient conditions.

B – Bacterial Diarrhea in Travelers:

For travelers to high-risk countries, antibiotic prophylaxis may be indicated, especially for those with immunocompromise, IBD, hemochromatosis, or gastric achlorhydria. Ciprofloxacin, azithromycin, or rifaximin may reduce bacterial diarrhea by 90% in such travelers.

A – Alerting Public Health:

Physicians should be vigilant in identifying outbreaks of diarrheal illness and promptly alert public health authorities. This can help reduce the overall impact of the outbreak on the population.

L – Little Role for Endoscopy:

In most cases, there is little role for endoscopic evaluation, except in immunocompromised patients.

N – Newer Agents for Giardia and Cryptosporidium:

For resistant Giardia and Cryptosporidium infections, newer agents like nitazoxanide may be required.

C – Caution with Medications:

Caution should be exercised with medications in patients with specific conditions or risk factors, such as febrile dysentery, immunocompromise, or renal impairment.

E – Empirical Treatment:

Empirical treatment can be considered for suspected giardiasis and febrile dysentery, but the choice of antibiotics should be guided by specific factors.


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 working in department