Weight Loss

Diarrhoea and Weight Loss: What You Need to Know

Does diarrhoea make you lose weight? Yes. But is it a holistic and healthy way to lose weight. It is something you should not be concerned about. It may not be a good idea to lose weight long-term. Most of us have experienced diarrhoea sometime in our lives. Even though it is not a severe but short-term condition, the symptoms aren’t comfortable.

Diarrhoea is not weight loss. If the diarrhoea lasts more than three days, some people may lose up to 1 or 2 lbs. According to researchDiarrhoea can be a common digestive issue that causes weight loss due to poor nutrition absorption. Diarrhoea is not a guarantee that everyone will lose weight. The body is constantly processing food and passing it on.

Want to know more about the mysterious relationship between diarrhoea & weight loss? And how to treat it? Continue reading to learn more!

Diarrhoea: Is it a concern for Diet?

Diarrhoea can be a common condition that affects most people once in a while. Diarrhoea causes loose, watery stool and increases the frequency of bowel movements. The body loses a lot of fluid quickly which can cause fatigue and weakness. Diarrhoea can lead to significant weight loss. It’s normal for your weight to fluctuate a bit due to digestive issues. It does not mean that you will lose weight. 

How Diarrhoea Leads to Weight Loss

Chronic diarrhoea is a condition that lasts for more than two weeks. It causes the body to lose lots of fluids. Your weight may be affected by the loss of fluids. Other symptoms such as vomiting and a loss of appetite can make it difficult to digest food or other nutritional sources. These symptoms can cause a decrease in calorie intake, which will aid in voluntary weight loss. The severity of diarrhoea and how long it is will determine the rate of weight loss. Any weight loss due to diarrhoea will be primarily water weight. You will regain your normal weight once your appetite and bowel movements are restored. Diarrhoea can cause weight loss depending on which type you are. It can be either acute or chronic, with each type having a unique mechanism for weight reduction.

Acute diarrhoeaA person will feel the effects for between 24 and 48 hours. The maximum number and frequency of bowel movements per day can be as high as 5 to 7. A lack of nutrition can cause sudden energy flushes. 

Chronic diarrhoeaA person may feel fatigued for several weeks. Nutritional loss may last longer. The person may feel tired all the time. The frequency of bowel movements varies from 3 to 4.

You can also find more information about diarrhoea or weight loss. Here are some surprising health conditions that can be directly or indirectly connected to diarrhoea.

Irritable Bowel Syndrome

Irritable Bowel Syndrome, also known as persistent diarrhoea and constipation, is a common disorder. It is caused by a gut microbial imbalance. It can cause symptoms such as gas, bloating and anaemia.

Inflammatory Bowel Disease

Inflammatory Bowel Diseases like Crohn’s disease and Ulcerative colitis affect the digestive tract and its normal function. It prevents nutrients from being absorbed, which can lead to anaemia and weight loss.

Celiac Disease

Celiac disease, also known by the name Gluten Intolerance is an immune-mediated condition in which an autoimmune response is induced against gluten, a specific protein. It can cause severe damage to the intestinal walls, leading to malabsorption of nutrients, diarrhoea and weight loss.

Chronic Infections

Chronic microbial infections, persistent diarrhoea and food contaminated with bacteria and parasites can result from constant exposure to contaminated drinking water. It damages the intestines and can cause malnutrition.

Malabsorption Syndrome

In this situation, the body is deficient in certain digestive enzymes. This causes the food to not be absorbed and is difficult to digest. It can also lead to weight loss through malnutrition. The intestinal wall may also be damaged, which can lead to weight loss.

Keto Diet

Your body will find it difficult to digest keto’s high-fat, low-carb diet. It can eventually lead to diarrhoea which can affect your weight and overall health.

Lactose Intolerance

Lactose is a sugar found naturally in milk and other dairy products. Most people suffer from lactose intolerance. This is a condition that results in diarrhoea when they consume dairy products. Undigested lactose can also cause an imbalance of the gut, which can lead short-term weight loss, abdominal pain, and even temporary weight loss.

The HealthifyMe Note

Diarrhoea can lead to temporary weight loss. This can affect your appetite or energy levels. Diarrhoea is not the solution to your weight problems. The actual journey to weight loss is slow and requires a balanced diet as well as proper exercise. 

Tips for dealing with weight loss caused by diarrhoea

Diarrhoea that lasts more than a week or for several days can cause severe discomfort and disruption to your daily life. It can also cause unintentional weight gain. It can cause fatigue, malabsorption, or lack of nutrition. 

Here are some tips to help you manage diarrhoea.

Drink plenty of water

Diarrhoea is a condition in which your body loses water. This causes it to leach water from muscles and other internal organs to compensate. Diarrhoea can also be treated with water. But, don’t drink too much water or other fluids.

Avoid excessive sugar consumption

Avoid high-sugar foods if you have diarrhoea. This includes soda, sports drinks, as well as other carbonated beverages. If you want optimal weight, choose to drink unsweetened tea or plain water instead.

Increase intake of high fibre foods

Fibres play an important role in helping people lose weight without overindulging on unhealthy snacks. High-fibre foods are a great way of losing weight and managing diarrhoea, without having to rely on medication. 

Good Fats

People with diarrhoea may crave high-fat food due to the disruption and dysfunction of their digestive systems. Avoid upset stomachs by eating good fat foods like avocados, seeds, and nuts. These foods will give you the extra energy you need to stay active throughout the day.

The HealthifyMe Note

Because irregular bowel movements only cause water loss, weight loss is temporary. It would be helpful if you didn’t consider it a good way to lose a few kilos. However, incorporating more fibre into your weight loss diets will help you manage your weight and promote regular bowel movements. If you’re experiencing prolonged diarrhoea or concerning weight loss, it’s worth talking to your doctor. 


Some believe diarrhoea to be a form or dieting. Diarrhoea can lead to weight loss but it is not a good way to lose weight. This sudden, unascertained loss of weight could indicate other health issues. Intentionally causing diarrhoea may cause abdominal pain, digestive problems, or even worsen your overall health.

You will lose weight whether you have chronic or acute diarrhoea. This is due to the loss of body fluids, severe hydration, and reduced intestinal absorption. You should focus on diet and exercise to lose weight, not by changing your bowel movements. A healthy weight loss journey should include a balanced diet, regular exercise, lifestyle changes that improve overall health, and active lifestyle changes.

Source: healthifyme

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