Blood In Stool – Causes, Possible Diseases and Treatment

Blood in stool is an unpleasant and frightening symptom that should not be ignored. It can be a sign of various health problems, some of which are easily treatable and others of which can have serious consequences. The first step is to find out where the blood is coming from: the upper or lower digestive tract. If it comes from the upper digestive tract, it may be gastric ulcers, duodenal ulcers, or diseases of the esophagus or stomach. If it originates from the lower digestive tract, it can be hemorrhoids, ulcerative colitis, or Crohn’s disease. It is important to have all the necessary tests done and talk to a doctor to determine the cause and the best treatment option.

Definition: Blood in Stool

Blood in the stool is a frightening sight that reveals many possible causes. It is divided into several types: occult blood (not visible), light blood and visible blood; fresh light red, dark red, or black blood; hidden gastrointestinal bleeding. These can be determined by the color of the stool. This makes it easier for the treating physician to determine the cause of the problem. Immediate diagnosis and treatment is necessary to avoid further complications. With the knowledge of the definition and types of blood in the stool, we can now turn our attention to common causes and symptoms.

Causes and Symptoms

Blood in the stool is usually a sign of serious illness and should therefore be clarified without fail. Frequent blood in the stool can be triggered by various causes, which must be treated depending on the severity of the symptoms.

Common causative factors include infections, injuries, overuse, deformities, childhood injuries, inflammatory diseases, degenerative diseases, diseases of the bone and muscle system, and muscle weakness. Also possible culprits are more severe bleeding, which is usually persistent and can result in larger amounts of blood in the stool. These can occur in certain diseases of the stomach or intestines, and as a complication of surgery or after accidents. Weaker bleeding, which often has no obvious signs, can be detected by gentle squeezing when going to the toilet or bloody stools. The location of the bleeding allows conclusions to be drawn about the source of the bleeding: fresh bright red blood indicates a lower gastrointestinal (GI) source; darker dried blood may indicate an upper GI source, such as a peptic ulcer or esophageal bleeding. Symptoms can include pain, stiffness, limited range of motion, stiffness, swelling, paralysis and loss of strength.

To find out what caused the bloody stool, an endoscopic examination of the affected area is recommended – a gastroscopy to diagnose diseases of the stomach or duodenum, and a colonoscopy to detect or rule out Inflammatory Bowel Disease (IBD), tumors, etc. Other tests, such as tissue sampling (biopsies) may also be necessary. Once the cause is determined, the appropriate treatment can be initiated. Treatment varies depending on the disease and stage of the disease.

Possible Diseases

Blood in the stool is a possible symptom of a number of serious diseases. Malignant tumors, inflammatory bowel disease and other conditions may be the cause. Timely diagnosis and treatment can prevent or treat these life-threatening conditions. Immunological stool tests can help the treating physician better understand the degree of blood loss and clarify possible causes. It is important to be aware of signs of serious illness and to get immediate medical evaluation for timely diagnosis and subsequent treatment. With proper diagnosis and examination, further development can be monitored and risks minimized. Therefore, it is important to learn more about the different diagnosis and examination methods to find out what is behind the mysterious phenomenon of ‘blood in stool’. Here is a list of diseases with which blood in stool may be associated:

  • Infectious diseases
  • Heart diseases
  • Cancer
  • Respiratory diseases
  • Diabetes
  • Autoimmune diseases
  • Metabolic diseases
  • Kidney diseases
  • Blood diseases
  • Gastrointestinal diseases
  • Liver diseases, etc…

Diagnosis and examination methods

In order to make a definite diagnosis and exclude possible diseases, there are several methods of examination. First, the doctor will find out about the patient’s general health and then arrange for further tests. An immunological test can be performed if blood is suspected in the stool to rule out infection or inflammation as the cause.

In addition, laboratory tests may be performed to determine whether or not blood is present in the stool. A gastroscopy may also be performed to find possible sources of bleeding in the digestive tract. Depending on the results of this examination, the doctor may treat accordingly. However, it is even more important to find out why one is suffering from blood in the stool and what the possible triggers for this are so that the best possible treatment method can be found.

Treatment options and therapies

Treatment options and therapies for various diseases and health conditions are varied. Treatment options include medications, surgery, physical therapy, nutritional counseling, psychological counseling, alternative medicine and more. Each patient receives individualized treatment that is customized to their specific needs and goals. It is important that patients receive a balance of treatment options to achieve the best possible outcome.

In many cases, blood in the stool can be treated with surgery, especially if there is an outpouching or narrowing of the colon. Anti-inflammatory medications and immunologic stool tests are usually part of treatment. With age, fluctuations in the colon may occur and should be monitored medically.

A healthy diet is also very important to prevent common digestive tract problems. This means eating foods high in fiber and reducing foods high in salt and fat. Colonoscopies can help diagnose certain diseases and identify possible causes of blood in the stool: Hematochezia (bloody diarrhea), bleeding in the gastrointestinal tract, and diverticulitis (inflamed protrusions in the colon). So, the right treatment depends on the results of these tests.

It is important to disclose all symptoms to your doctor so that he can minimize risks and recommend the appropriate therapy. This is the only way to take long-term action against blood in the stool and avoid complications. Due to the complexity of the gastric mucosa & pouch system, it is advisable to regularly acknowledge examination results and take specific action when needed – get the best for yourself! Thus, nothing stands in the way of the following topic “Occult blood in the stool – what do you need to know?”.

Occult blood in stool – what do you need to know?

Occult blood in stool refers to hidden blood that is found in a sample and usually cannot be seen with the naked eye. This means that there is no obvious sign of occult blood in stool, but you should see your doctor if you suspect it. The upper digestive tract is the most common source of fecal occult blood. If there is severe disease of the small or large intestine, there is a particularly high chance of occult blood in the stool.

Occult blood in the stool is usually caused by contact with gastric acid or other substances that can attack the mucosa. However, this is often asymptomatic and therefore difficult to diagnose. A bloody stool may also be red blood, which is clearly distinguished from occlusive blood. Therefore, it is important to note that suspected occult blood must be taken seriously and thoroughly investigated. If you notice any symptoms or believe occult blood may be involved, seeing a specialist should be your main priority. This is the only way to identify and treat any compromised mucosal layers early on. You will most likely be subjected to a fecal occult blood test.

Occult blood in stool test, is a test performed to determine the presence of blood in stool that is not normally visible. It can be a sign of various diseases such as anemia, bleeding disorders, gastritis, peptic ulcers and cerebral hemorrhage. The test can also help identify the source of the bleeding. The test is usually done by testing a stool sample for blood. If blood is found, it may be necessary to perform additional tests, such as a colonoscopy or coloscopy, to determine the cause of the bleeding.

Why is occult blood not visible?

There are many reasons why occult blood is not visible in the stool. Sometimes it is seen as black or deep red-brown stool caused by a short-term occult bleed. This type of bleeding can also have a vomited coffee grounds-like appearance, adding to the discomfort already present. Another reason for the invisible traces of blood in the stool is the fact that the human body does not contain a large amount of iron – a mineral that is often reduced to very low levels when blood is lost. In addition, medications or vitamin intake can lower levels of the mineral and thus also mask occult blood.

The German Nutrition Society (DGE) recommends supporting regular natural bowel movements to ensure smooth digestion. This way, potential abnormalities can be identified and treated early on, which can help sufferers keep their symptoms in check without causing unnecessary stress. To determine if occult blood is present in the stool, the immunochemical stool test is a good option – a special testing procedure with high sensitivity that provides diagnostic clarification of the problem.

How does an occult blood test work?

An occult blood test is used to detect hidden blood in stool samples. The test consists of swabbing a small amount of stool on a special test card. This test card is then dabbed on a special chemical to see if blood is present. If the blood is detected, a positive result is indicated.

An occult blood test allows the presence of blood in the stool to be detected. This may be indicated by a positive test result or a dark coloration of the stool. If this is the case, it may indicate active bleeding and should be promptly evaluated by a physician. To ensure that there is indeed blood in the stool, tests can be performed to gain knowledge about blood. Some tests are appropriate for infants, others only for adults. In either case, it is important to find out whether or not the test will find detectable blood in the stool.

Therefore, an occult blood test plays an important role in diagnosing various diseases and treating patients. It can help determine the degree of spread and identify the right treatment method, regardless of the age of the affected person. In addition, it provides information about the nature of the disease as well as possible complications caused by blood in the stool. Therefore, even if symptoms are mild, it is advisable to see a doctor immediately and get tested in order to be treated early.

Bright blood in stool – What is it?

Bright blood in stool is a symptom that can affect all age groups. It usually appears in the form of bright red streaks and may be visible immediately after going to the toilet. This type of blood in the stool usually originates from the upper gastrointestinal tract or esophagus. The hard stool can cause tears in the anal canals, resulting in mild bleeding. In severe cases, the injuries are accompanied by more blood loss and may require surgical intervention.

There are many reasons why someone may have bright blood in their stool, ranging from harmless to life-threatening. Therefore, to make the correct diagnosis, it is recommended to see a doctor immediately. One option is a colonoscopy as part of colorectal cancer screening – especially for people over the age of 50 – to detect any tumors at an early stage. Certain medications as well as venous blood flow disorders (thromboembolism) can also cause bright blood in the stool and require urgent medical attention. Ultimately, it is advisable to see a doctor to have it determined which treatment is most appropriate. Therefore, be sure to seek professional assistance; self-diagnosed and self-treated conditions often have failed to provide relief or even make the condition worse. With the right treatment, you’ll help your body get fit and healthy again soon – so now is the time to start thinking about it: Why do you have bright blood in your stool?

Is red blood in stool normal?

The appearance of blood in the stool is a serious warning signal that can indicate possible health problems. The question often arises: is it normal to see red blood in the stool? The sight of the red blood pigment can be frightening and it is sometimes necessary to perform an examination.

Depending on the causes of the blood flow, it can be present in varying concentrations; although it does not always have to mean something bad, any occurrence should be reported – especially if early symptoms are already present. In such cases, it is advisable to consult a doctor immediately or, depending on the case, to undergo tests such as colorectal cancer screening.

Possible causes of dark red blood in the stool are tears at the anus (hemorrhoids) or inflammation of the stomach or duodenum. When black hematin in stool is diagnosed, it is usually something more serious and the patient should follow the instructions of the treating physician to recognize further symptoms in time and treat them accordingly. In other words, red blood in stool can provide clues to various medical conditions and depending on the diagnosis, the doctor can recommend the right treatment.

So, the appearance of red blood in the stool is not normal, but with the right approach, there is hope to improve the situation – which brings us directly to the topic of “black blood in the stool – tarry stools”.

Black blood in the stool – “tarry stools”

Tarry stools, also known as black blood in stool, is a very serious condition. It means that bleeding has occurred in the deepest parts of the digestive tract. Antonio Nocito, founder of Colorectal Cancer Screening through Colonoscopy (DCS), explained, “A tarry stool is a sign that something is wrong and is important to check.” There are several possible causes for the appearance of a tarry stool. These include:

1. intestinal rash, a bacterial infection in the intestines associated with hard stools;

2. inflamed bowel protrusions, tissue swelling in the rectal area that may be associated with bloody or jelly-like stools and severe pain;

3. hemorrhoids, varicose veins in the anus or rectal area;

4. complications throughout the digestive tract, especially gastric ulcers, which can lead to the formation of black blood in the stool.

Due to the seriousness of this symptom, affected individuals should see a doctor immediately and have their diet reviewed. With proper treatment, patients can reduce their risk of further occurrence.

Causes of blood in stool

Some of these causes include mucosal changes such as ulceration or inflammation of the internal mucosa of the bowel; constipation, also known as acute obstruction; digestive and metabolic diseases; painful polyps; and dietary restrictions. If you have any of these symptoms, be sure to see your doctor for further testing and possibly regular colon cancer screenings. This way, any problems can be detected and treated early.

At what point should one go to a doctor?

It may come as a surprise, but in some cases it is advisable to see a doctor immediately when blood is discovered in the stool. Those who do not take their digestive problems seriously and prefer to wait and see risk potentially serious health consequences. This is especially the case with unexpected blood loss – whether this is caused by a small or large hemorrhage. If the cause of blood loss is unknown, action should be taken quickly: A positive test result may exist around hemorrhoids or other possible sources of bleeding in mild cases, for example – but it could also mean much worse. Therefore, it is urgent to follow the advice of the attending physician and get examined. He or she often recommends colonoscopy as a diagnostic method; with it, cancers can be detected early and treated effectively – before major damage occurs to the intestinal vascular system and thus to the brain. So you should not wait for the alarm to sound in the intestines, but react as a precaution and have it clarified!

Preventive measures – What can you do?

To promote prevention, you can take the following measures:

  1. Avoid alcohol and other drugs.
  2. Avoid poor eating habits and maintain a healthy lifestyle.
  3. Participate in physical activities on a regular basis.
  4. Take regular breaks and try to relax.
  5. Talk to your doctor about your health condition and possible risks.

According to Statista, more than 17 million new cases of colorectal cancer were diagnosed worldwide in 2019. To lower this number, it is important for people to understand prevention and stick to a healthy lifestyle. Some of the measures that can be taken to prevent blood in the stool are listed in the table below:

ColonoscopyRegular colonoscopy for early detection of colorectal cancerEvery adult should have a colonoscopy regularly from the age of 50. However, previous visit to the doctor must first take place.
NutritionConsume a balanced diet with fresh vegetables and fruits and whole grains for a healthy body and digestive tractAmong other things, one should minimize the consumption of raw meat or unsalted fish.
HemorrhoidsAvoid straining the anus and rectum; try hormonal treatment for severe cases of hemorrhoidsIn milder cases, sitting bath preparations (sitz baths) and pain-relieving creams or ointments often help.
Physical activityKeep your body fit with regular moderate exercise 

These four areas of prevention play an important role in protecting against blood in the stool, as well as reducing the risk of serious diseases – especially colon cancer – that develop due to poor dietary choices. The dual series of certain tests has shown to reduce the mortality rate from colon cancer in groups of people who have been routinely tested. Therefore, it is especially important that all adults over the age of 50 have regular screenings to be detected early if something is wrong. With such preventive measures, one can do good for one’s health and at the same time check specifically for light blood in the stool as a preventive measure to see if everything is in order.


There are many ways to minimize relapse after treatment. First, you should review your diet and switch to a healthy, balanced diet so you can provide your body with all the nutrients it needs. Avoid ready meals and fast foods high in salt and fat, as well as alcohol and caffeine. Get regular exercise and drink plenty of water. Drug treatment methods can also help if necessary. But be careful – some medications have side effects or can cause allergic reactions. Therefore, always talk to your doctor or pharmacist first before taking any new medication. Finally, it is important that you take your health seriously! Get regular tests at the doctor’s and listen to your intuition – if something is wrong in your body, it’s better to go back to the doctor than to wait for it to get worse. This is how you stay fit for all things in life!

If you are looking for further stool tests and FOB tests then you have come to the right place! Discover our range – click here for our product categories.


What can Cause Blood in the Stool?

Blood in the stool can be caused by a variety of things, including hemorrhoids, anal fissures, diverticulitis, inflammatory bowel disease (such as Crohn’s disease and ulcerative colitis), colon cancer, and more.

What are the symptoms of blood in stool?

The most obvious symptom is the presence of blood in the stool or on toilet paper. Other possible symptoms may include abdominal pain, diarrhea, constipation, nausea and vomiting.

Should I see a doctor right away if I have blood in my stool?

Yes, it is important to see your doctor if you notice blood in your stool. This is often an indication of a serious condition and requires accurate diagnosis and treatment.

How is blood in stool diagnosed?

Diagnosis of blood in stool depends on the underlying cause. Your doctor will likely perform a physical exam to determine where the blood is coming from and may order additional tests such as a stool exam, colonoscopy, or CT or MRI scan.

Can blood in the stool be caused by a poor diet?

In rare cases, a poor diet can cause blood in the stool, especially if it leads to constipation or diarrhea. However, it is more likely that blood in the stool is caused by more serious conditions.

Is blood in stool always a sign of colon cancer?

No, blood in the stool is not always a sign of colorectal cancer. There are many other possible causes, such as hemorrhoids, anal fissures, and inflammatory bowel disease.

Can I avoid blood in the stool?

There is no guarantee that you can avoid blood in the stool, but there are certain measures you can take to reduce the risk. These include eating a healthy diet with adequate fiber, exercising regularly, and avoiding smoking and excessive alcohol consumption.

How is blood in stool treated?

Treatment of blood in stool depends on the underlying cause. In some cases, a simple change in diet or lifestyle may be sufficient, while in others, medical or surgical treatment may be required.

Can blood in the stool recur after it has been treated?

Yes, it is possible for blood in the stool to recur, even after it has been treated. It depends on what the underlying cause was and whether all necessary measures were taken to treat it. It is important to contact your doctor if blood in the stool recurs or persists, even after treatment.

Can I treat blood in the stool myself?

It is recommended that you do not treat blood in the stool yourself, as it may be an indication of a serious medical condition. It is important that you contact your doctor so that an accurate diagnosis can be made and appropriate treatment initiated.

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