Can water help diarrhea?

Diarrheal disease is a condition that often affects many people worldwide, especially children in underdeveloped countries. It is a condition that causes the frequent passing of loose or watery stools, which results from an infection in the digestive tract.

While there are several factors that can cause diarrhea, such as food poisoning, viruses, and bacteria, one of the best ways to manage the condition is by drinking enough water. Have you ever wondered why drinking water can help manage diarrhea? In this article, we would be exploring the relationship between water and diarrhea in detail to provide helpful insights on how to manage the condition.

What is diarrhea?

Diarrhea is a digestive condition that causes watery, loose stools that occur more frequently than usual. Diarrhea occurs because of a buildup of fluid and waste material in the intestines, which makes it difficult for the body to absorb water and nutrients. The condition can last for a few days, depending on the severity, and it can lead to dehydration if not managed properly.

What causes diarrhea?

There are several causes of diarrhea. Some of the most common causes include infections from bacteria, viruses or parasites, which usually lead to food poisoning or traveler’s diarrhea. Other causes of diarrhea include digestive disorders like inflammatory bowel disease, celiac disease, lactose intolerance, or Crohn’s disease. Stress, anxiety, and side effects of medications can also cause diarrhea.

Can water help diarrhea?

Drinking water is one of the most effective ways to manage diarrhea because it helps the body replace the fluids and electrolytes lost through frequent bowel movements. Diarrhea can lead to dehydration because the body loses water and salts through the stool, which can lead to further complications if not carefully managed. Drinking water also helps to regulate the digestive system, easing constipation, and preventing bloating.

How does water help with diarrhea?

Drinking water helps to flush out toxins from the body, preventing dehydration and promoting healing in the digestive system. Water helps to maintain the balance of fluids and salts necessary for healthy digestion and can help alleviate symptoms like nausea, vomiting, and indigestion. Drinking water also helps to lubricate the digestive tract, easing constipation and improving bowel movement consistency.

How much water should I drink when I have diarrhea?

If you have diarrhea, you should aim to drink plenty of fluids to avoid dehydration. The amount of water you should drink depends on your age, activity level, and the severity of your diarrhea. It is recommended that adults drink at least 8-10 cups of water per day, while children should drink between 4-8 cups depending on age and weight. You can also consume other liquids like broth, clear soups or electrolyte drinks to help replenish lost fluids and minerals.

What are the signs of dehydration during diarrhea?

Dehydration is a severe complication of diarrhea and can lead to severe health complications if not properly managed. Signs of dehydration during diarrhea include:

  • Dark or reduced urine output
  • Dry or sticky mouth
  • Fatigue or headache
  • Lack of tears when crying
  • Dizziness or lightheadedness
  • Rapid pulse
  • Confusion or irritability (in children)

If you experience any of these symptoms, you should seek professional medical help as soon as possible.

What are some other ways to manage diarrhea?

Aside from drinking enough water, there are several other ways to manage diarrhea. Some of the most effective ways include:

  • Consuming a bland diet: Eating simple foods like oatmeal, banana, toast, and rice can help reduce diarrhea symptoms.
  • Using over-the-counter medication: Antidiarrheal medication can help reduce loose stools and stabilize bowel movements.
  • Resting: Resting can help reduce inflammation and promote healing in the digestive system.

When should I see a doctor?

You should see a doctor if you have diarrhea that lasts more than three days, experience severe abdominal pain, frequent vomiting, or severe dehydration. You should also seek medical attention if you develop a fever or bloody stools, which may be a sign of a more serious health condition.

The takeaway

Drinking enough water is essential in managing diarrhea effectively. The body loses water and salts through frequent bowel movements during diarrhea, which can lead to dehydration if not properly managed. Drinking enough water helps to replace the lost fluids and maintain electrolyte balance, promoting healing and reducing the severity of symptoms. It is essential to maintain a healthy diet and manage diarrhea effectively to prevent further health complications.


Q: Can dehydration cause diarrhea?

A: Dehydration does not directly cause diarrhea, but it can make the symptoms worse. Dehydration decreases the amount of water in the body, causing the stool’s consistency to harden and making bowel movements more uncomfortable.

Q: Is water the only solution for managing diarrhea?

A: While water helps to replace fluids and maintain electrolyte balance, there are other solutions for managing diarrhea, such as a bland diet, over-the-counter medication, rest, and consulting with a healthcare professional.

Q: How long does a typical episode of diarrhea last?

A: The length of time diarrhea lasts depends on the cause and severity of the condition. Mild cases usually last for a few days, while more severe cases can last for several weeks. It is essential to take care of yourself and manage the condition effectively to prevent further complications.

Q: Can I prevent diarrhea?

A: While you cannot always prevent diarrhea, there are several measures you can take to reduce your risk, such as practicing good hygiene, cleaning and cooking food properly, avoiding contaminated water, and taking measures to reduce stress.

Q: How can I manage diarrhea in children?

A: Managing diarrhea in children is essential to prevent dehydration or further complications. You should ensure that your child is drinking plenty of water and electrolyte-rich fluids to avoid dehydration. You can also give your child antidiarrheal medicine, encourage a bland diet, and take them to see a healthcare professional if symptoms persist.

Q: Is diarrhea always a sign of a severe health condition?

A: Diarrhea is not always a sign of a severe health condition, but it can cause severe complications if not properly managed. While mild diarrhea is common and usually resolves on its own, severe or persistent diarrhea can lead to dehydration, malnutrition, or even death, especially in children and infants. If you experience any unusual symptoms, you should seek medical attention immediately.


  • CDC. (2020). Diarrhea. Retrieved from
  • Mayo Clinic. (2018). Diarrhea. Retrieved from
  • McKenna, D. (2015). The Effects of Hydration on Diarrhea. Retrieved from