Stop Diarrhea Fast

author avatar Dr. Eric Berg 05/19/2024

Ever found yourself suddenly glued to the bathroom, feeling miserable? We've all been there. Diarrhea can strike at any time, leaving you desperate for relief. The good news is that simple home remedies can make a difference.

I vividly remember my own experience—cramped up on the couch, unsure what to eat or drink without making things worse. If you've felt like this, too, you're not alone. Let's explore some tried-and-true methods for tackling those dreaded loose stools.

Understanding Diarrhea: Causes and Symptoms

Diarrhea is a common digestive issue that affects millions of people worldwide. It can be caused by a variety of factors, ranging from food poisoning to viral infections and chronic conditions like irritable bowel syndrome.

Symptoms typically include loose stools, abdominal pain, and dehydration.

Identifying the Culprits Behind Diarrhea

There are many potential causes of diarrhea, but some of the most common include:

  • Viral infections like the stomach flu or rotavirus

  • Bacterial infections from contaminated food or water

  • Parasitic infections like giardia

  • Chronic conditions such as irritable bowel syndrome, inflammatory bowel disease, or celiac disease

  • Certain medications, including antibiotics and chemotherapy drugs

  • Lactose intolerance or other food sensitivities

According to the Centers for Disease Control and Prevention (CDC), viral infections are a leading cause of acute diarrhea, particularly in young children.

Recognizing Diarrhea Symptoms

The main symptom of diarrhea is loose, watery stools that occur more frequently than usual. Other common symptoms include:

  • Abdominal pain or cramping

  • Bloating and gas

  • Nausea and vomiting

  • Fever and chills

  • Dehydration, which can cause thirst, dry mouth, and dark-colored urine

If you experience any of these symptoms, staying hydrated and resting your digestive system is essential. Most cases of acute diarrhea will resolve independently within a few days, but chronic diarrhea may require medical attention.

According to the National Institute of Diabetes and Digestive and Kidney Diseases, irritable bowel syndrome affects an estimated 10-15% of adults in the United States, making it one of the most common chronic conditions that can cause diarrhea.

Woman holding toilet paper roll

Effective Home Remedies for Treating Diarrhea

When diarrhea strikes, there are several natural remedies and dietary adjustments that can help manage symptoms and speed up recovery. The key is to focus on staying hydrated, replenishing lost nutrients, and giving your digestive system a chance to rest and heal.

The Power of Hydration

One of the most important things you can do when you have diarrhea is to drink plenty of fluids.

Diarrhea can quickly lead to dehydration, which can be dangerous if left untreated. Aim to drink at least 8-10 glasses of clear liquids daily, such as water, clear broths, or electrolyte solutions like Pedialyte.

You can also try sipping on coconut water, which is naturally rich in electrolytes like potassium and magnesium. Avoid sugary drinks or caffeinated beverages, which can worsen diarrhea symptoms.

Probiotics and Digestive Health

Probiotics are beneficial bacteria that live in your gut and help maintain a healthy digestive system. When you have diarrhea, these good bacteria can deplete, allowing harmful bacteria to take over.

Taking a probiotic supplement or eating probiotic-rich foods like yogurt, kefir, or sauerkraut can help restore the balance of bacteria in your gut and alleviate diarrhea symptoms.

One particularly effective probiotic strain is Saccharomyces boulardii, which has been shown to reduce the duration of acute diarrhea in several studies.

A meta-analysis published in the World Journal of Gastroenterology found that probiotics can significantly improve digestive health and reduce the risk of antibiotic-associated diarrhea.

Dietary Do's and Don'ts When Experiencing Diarrhea

When dealing with diarrhea, what you eat (or don't) can significantly affect how quickly you recover. Here are some dietary tips to keep in mind:

Foods and Beverages to Avoid

Conversely, certain foods and drinks can worsen diarrhea and should be avoided until your symptoms have resolved. These include:

  • Dairy products (especially if you're lactose intolerant)

  • Fatty or greasy foods

  • Spicy foods

  • High-fiber foods like raw fruits and vegetables, whole grains, and legumes

  • Caffeinated beverages like coffee, tea, and soda

  • Alcohol and sugary drinks

These items can be more challenging to digest and may irritate your already sensitive digestive system, leading to more frequent or severe diarrhea.

It's worth noting that dairy products can be particularly problematic for those with lactose intolerance, as the lactose sugar can be complex to digest and may worsen diarrhea symptoms.

If you suspect you may be lactose intolerant, try avoiding dairy products and see if your symptoms improve.

Similarly, high-fiber foods like raw fruits and vegetables, whole grains, and legumes can be harsh on a sensitive digestive system. They may increase bowel movements during a about of diarrhea. Stick to low-fiber, easily digestible foods until your symptoms have resolved.

When to Seek Professional Medical Advice

While most cases of diarrhea resolve on their own within a few days, there are certain situations in which it's important to seek medical attention. If your diarrhea persists for more than a few days or is accompanied by severe symptoms, it's time to call your healthcare provider.

Recognizing Signs of Severe Dehydration

Dehydration is one of the most severe complications of diarrhea, and it can be hazardous for young children and older adults. Signs of severe dehydration include:

  • Extreme thirst

  • Dry mouth and lips

  • Sunken eyes

  • Dizziness or lightheadedness

  • Dark-colored urine or infrequent urination

  • Rapid heartbeat

If you or someone you care for experiences these symptoms, seek medical attention immediately. Severe dehydration can lead to serious complications like high blood pressure, kidney damage, and even death if left untreated.

Understanding When OTC Medications Are Appropriate

In some cases, over-the-counter medications like bismuth subsalicylate (Pepto-Bismol) or loperamide (Imodium) can help relieve diarrhea symptoms and firm up loose stools. However, these medications aren't appropriate for everyone and should be used cautiously.

If your diarrhea is caused by a bacterial infection or parasite, using anti-diarrheal medications can worsen the disease by preventing your body from getting rid of harmful organisms.

If you have a fever, bloody stools, or severe abdominal pain along with diarrhea, avoid taking OTC medications and contact your healthcare provider for guidance.

It's also important to note that chronic diarrhea lasting more than a few weeks can be a sign of a more serious underlying condition like inflammatory bowel disease or celiac disease.

If you experience persistent diarrhea or other concerning symptoms like unexplained weight loss or severe abdominal pain, make an appointment with your healthcare provider to discuss further testing and treatment options.

Intermittent fasting illustration

Fasting and Diarrhea

Fasting and diarrhea can be interconnected, as changes in eating patterns and food intake can sometimes disrupt the digestive system. When fasting, especially for extended periods, the digestive tract may become more sensitive, leading to gastrointestinal issues.

The sudden reintroduction of food after fasting can also overwhelm the digestive system, causing diarrhea.

This condition, known as "diarrhea after fasting," can be managed by gradually reintroducing food, starting with easily digestible, low-fiber options, and ensuring proper hydration to support overall digestive health.


Diarrhea doesn't have to ruin your day or week. By staying hydrated with oral rehydration solutions and sticking to fermented food, you can find relief sooner rather than later.

It's crucial to avoid some dairy products if you're lactose intolerant and temporarily avoid high-fiber foods, so your digestive tract has time to recover.

With these effective home remedies in your back pocket, you'll be ready the next time diarrhea hits unexpectedly!

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