Can diarrhea cause nausea?

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Last updated: April 22, 2025View editorial policy

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From the Guidelines

Diarrhea does not directly cause nagma (acid reflux or heartburn), as they are two separate digestive conditions with different underlying mechanisms. Diarrhea is characterized by loose, watery stools and is typically caused by infections, food intolerances, or certain medications, as defined by the World Health Organization as the passage of 3 or more loose or liquid stools per 24 hours, or more frequently than is normal for an individual person 1. Nagma, which refers to acid reflux or heartburn in some languages, occurs when stomach acid flows back into the esophagus due to weakened lower esophageal sphincter function. While both conditions can sometimes occur together during a gastrointestinal illness, one does not directly cause the other.

Some key points to consider:

  • The management of acute diarrhea involves oral rehydration, maintenance, and nutritional therapy, as recommended by the Centers for Disease Control and Prevention 1.
  • Antidiarrheal agents such as loperamide can be effective in reducing diarrhea prevalence and duration, but their use should be cautious, especially in children, due to potential side effects such as ileus, abdominal distension, and lethargy 1.
  • The use of nonspecific antidiarrheal agents is not recommended, as they can interfere with oral therapy and unnecessarily add to the economic cost of the illness, and their effectiveness in reducing diarrhea volume or duration is not demonstrated 1.
  • If you're experiencing both diarrhea and acid reflux symptoms, it's essential to stay hydrated with clear fluids and consider over-the-counter remedies like antacids for the reflux and anti-diarrheal medications for diarrhea, though you should not take anti-diarrheals if you suspect an infection 1.

It's crucial to prioritize the management of diarrhea and nagma based on their underlying causes and to seek medical attention if symptoms persist or are severe, as both conditions may indicate an underlying issue that requires proper diagnosis and treatment.

From the FDA Drug Label

The adverse events reported are summarized irrespective of the causality assessment of the investigators. A number of the adverse events reported during the clinical investigations and post-marketing experience with loperamide are frequent symptoms of the underlying diarrheal syndrome (abdominal pain/discomfort, nausea, vomiting, dry mouth, tiredness, drowsiness, dizziness, constipation, and flatulence).

The FDA drug label does not mention nagma as an adverse event or a condition related to diarrhea or the use of loperamide. Therefore, no conclusion can be drawn about whether diarrhea can cause nagma based on the provided information 2.

From the Research

Diarrhea and Nagma

  • There is no direct evidence in the provided studies to suggest a link between diarrhea and nagma.
  • The studies focus on the causes, diagnosis, and treatment of diarrhea, but do not mention nagma as a related condition or symptom 3, 4.
  • Diarrhea is defined as reduced stool consistency, increased water content, and number of evacuations per day, with various underlying causes and pathophysiological mechanisms 4.
  • The provided studies discuss different types of diarrhea, including acute and chronic, osmotic, secretory, and fatty diarrhea, but do not mention nagma in relation to any of these conditions 3, 4.

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Research

[Therapeutic guidelines in diarrhea].

Therapeutische Umschau. Revue therapeutique, 1994

Research

Clinical approach to diarrhea.

Internal and emergency medicine, 2012

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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