Back to Glossary
Table of Contents
Glossary /



Diarrhea is a condition characterized by loose, watery stools that occur more frequently than usual. It can be caused by a variety of factors, including infections, food intolerances, and chronic digestive disorders, and can often be managed through rehydration, diet changes, and medications.

What is diarrhea?

Diarrhea is a condition in which an individual passes loose, watery stools more frequently than usual. It is typically a symptom of an underlying condition, such as an infection or digestive disorder, and can be accompanied by symptoms such as abdominal cramps, nausea, and dehydration.

Diarrhea is often caused by viruses, such as the norovirus or rotavirus, or bacterial infections, such as salmonella or E. coli. It can also be caused by certain medications, food intolerances, and chronic digestive disorders, such as irritable bowel syndrome (IBS) or inflammatory bowel disease (IBD).

What are the best treatments for diarrhea?

The best treatment for diarrhea depends on the underlying cause of the condition. However, some general approaches to managing diarrhea include:

  1. Rehydration: Diarrhea can cause dehydration, so it's important to drink plenty of fluids to replace the fluids lost in the stools. Oral rehydration solutions, such as Pedialyte, can help replace lost electrolytes and fluids. Avoiding sugary drinks, alcohol, and caffeine is recommended, as they can make dehydration worse.
  2. Medications: Anti-diarrheal medications such as loperamide or bismuth subsalicylate can help reduce the frequency of stools and provide relief from symptoms. However, these medications should not be used if diarrhea is caused by a bacterial or parasitic infection, as they can prolong the infection.
  3. Diet: Avoiding foods that can irritate the digestive system, such as caffeine, spicy or fatty foods, and dairy products, can help alleviate symptoms of diarrhea. Eating foods that are easy to digest, such as bananas, rice, applesauce, and toast, can also help.
  4. Treating underlying conditions: If the diarrhea is caused by an underlying condition, such as IBS or IBD, treatment may involve managing the underlying condition with medication, changes in diet, or other therapies.
  5. Seek medical attention: If diarrhea persists for more than a few days, is accompanied by severe symptoms such as fever, blood in stools, or dehydration, or is occurring in infants, young children, or elderly individuals, it's important to seek medical attention.

It's important to note that home remedies such as herbal supplements or probiotics should only be used under the guidance of a healthcare provider, as they may not be effective or could potentially make the condition worse.

How can a dietitian help with diarrhea?

A registered dietitian can be a valuable resource for individuals experiencing diarrhea. They can help develop a personalized nutrition plan to manage diarrhea and prevent dehydration.

A dietitian can help in the following ways:

  1. Identify food triggers: Dietitians can help individuals identify foods that may be triggering their diarrhea. This may involve keeping a food diary to track which foods are causing symptoms.
  2. Develop an individualized nutrition plan: Dietitians can develop a personalized nutrition plan that meets the individual's nutritional needs while minimizing symptoms. This may involve recommending specific foods to eat or avoid and advising on meal timing and frequency.
  3. Provide guidance on hydration: Dietitians can provide guidance on how much fluid to consume each day and recommend hydrating beverages such as oral rehydration solutions.
  4. Offer supplementation guidance: Dietitians can recommend supplements, such as probiotics or fiber supplements, to help improve gut health and alleviate symptoms.
  5. Monitor progress: Dietitians can monitor progress and make adjustments to the nutrition plan as needed.

If an individual's diarrhea is caused by an underlying medical condition, such as IBS or IBD, a dietitian can work with their healthcare team to develop a comprehensive treatment plan that addresses the condition and the individual's nutritional needs.

Discover a healthier, happier you.

  • Covered by insurance
  • Registered dietitians
  • Virtual sessions
Schedule an appointment