Can dehydration cause black stool

Other causes include NSAIDs, smoking, or drinking alcohol or eating foods that irritate the lining of the stomach. Inflammation can cause small amounts of bleeding, which can turn your stool black. Treatment depends on the cause. If the gastritis is caused by smoking, stop smoking Side effects of medications with bismuth include black stool and a black tongue. Exercise or physical activity Exercise is vital for good health, but overdoing it can lead to muscle aches,.. Stool that appears blackish or reddish in color can be a concern. It can indicate blood in the stool and may be a more serious gastrointestinal tract issue. But stool that simply seems darker than normal may be the result of dehydration, constipation, or eating dark-colored foods or iron-rich foods or supplements It can make your stool appear black and possibly look like bleeding but usually i would expect such a medication being used for people who have blood loss from other causes such as GI related diseases. Patient should see a local gastroenterologist if any signs of bleeding reported in the stool A bleeding ulcer is the most common concerning cause of dark stools. An ulcer is an open sore on the inside of your stomach or small intestine. Sometimes these sores bleed. This can make your poop.

5 Reasons Your Stool is Black Buoy Healt

  1. Narrow stools accompanied with blood, mucus, confusion, dizziness, sudden weight loss and continuous vomiting is a sign of concern, and you must check with a doctor. A sign of dehydration with a dry mouth is also a sign of concern, and you must visit the doctor without fail
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  3. The normal stool (poop, feces) usually is light to dark brown.; Although changes in stool color or texture may be normal, most changes should be evaluated. The symptoms associated with stool color changes, if any, are the symptoms of the underlying cause of the change, for example, foods, drinks, or illnesses such as:. Diet (beets, diets rich in green vegetables, licorice
  4. Pepto Bismol is a medication that treats diarrhea and symptoms associated with indigestion. Its active ingredient, bismuth subsalicylate, can cause your stool to turn black or gray in color. Learn.
  5. The blood often appears in stool or vomit but isn't always visible, though it may cause the stool to look black or tarry. The level of bleeding can range from mild to severe and can be life-threatening. Sophisticated imaging technology, when needed, can usually locate the cause of the bleeding. Treatment depends on the source of the bleeding
  6. The symptoms of gastrointestinal bleeding include black or bloody stool or vomit, dizziness, and cramping. Side effects of taking aspirin include nosebleeds, bruises, stomach pain and upset, bloody vomit and more. Dust exposure can cause congestion, runny nose, cough, shortness of breath, tightness in the chest, and more

(Find out the 9 most common reasons why your poop is black.) certain drugs and supplements can cause the stool to appear pale or clay-like. Severe diarrhea with signs of dehydration. signs or symptoms of dehydration stools that are black and tarry or contain blood or pus You should also seek a doctor's help right away if a child has signs or symptoms of viral gastroenteritis and the child is an infant, was born prematurely, or has a history of other medical conditions Eating black licorice, blueberries, blood sausage or taking iron pills, activated charcoal, or medicines that contain bismuth (such as Pepto-Bismol), can also cause black stools. Beets and foods with red coloring can sometimes make stools appear reddish. In all these cases, your doctor can test the stool with a chemical to rule out the presence. The causes of black stool usually include colitis, stomach ulcers, and certain foods. Treatment depends on the cause. Learn more about black stool, and when to see a doctor, here

Black (tar) colored stools and Fatigue: Common Related

However, sometimes you see dark black or brown coloured stool which smell bad as well. There are many foods that can cause dark stools. Although the colour of the stool can signal health conditions, you need to first focus on your diet and find out which food is causing a change in your poop colour. Here are some of the foods that cause dark. The color of stool can vary depending on the diet and the amount of fluid in it. Diet which contains a large amount of reddish food can give a darker brown color. Excessive alcohol can also cause a darker color. Dehydration and less fluid in the stool can also cause a a darker color. It will also cause the stool to be hard It's highly likely you're significantly dehydrated, which means you may need IV fluids. If your stool is bloody or becoming black, this could indicate bleeding from your intestine or colon. If this..

Blood in the stool can be due to long-term constipation or diarrhea. Straining during a bowel movement may cause blood in the stool. Dehydration or low fiber intake can cause constipation. So, yes, dehydration may cause blood in the stool Blood in the stool or black or tarry stools, it should be noted, is always a reason to see the doctor. Even if it has happened before, Dehydration can cause headache, extreme thirst, a lack of urination or dark urine, dizziness, fatigue, and mental confusion

Diarrhea may cause the body to lose fluids more quickly than it can take them in. Untreated dehydration can be life threatening. It is especially dangerous for young children and older adults Medical attention should also be sought if the diarrhea is accompanied by fever, severe abdominal or rectal pain, black or bloody stools, or signs of complications like dehydration. 3  Depending on the cause of the illness, diarrhea can sometimes coincide with other gastrointestinal issues like nausea, vomiting, loss of appetite, or cramping Bleeding anywhere along the digestive tract can cause blood to appear in the stool. Peptic ulcers are sores that form on the lining of the stomach that commonly cause bloody stool. Long-term use of certain medications and H. pylori, a stomach bacteria, are two common causes of ulcers Green poop can be a sign of digestive complications, including malabsorption syndrome, dehydration, malnutrition, and low level of potassium. Unless caused by dietary changes, green poop is not.

Causes of Dark Red/Black/Tarry Stools. Dark and black blood in dog stool, called melena, usually comes from somewhere further up in the digestive tract, usually near the stomach, and this is usually a sign of a more serious problem that should be examined by your veterinarian right away. Causes of dark red, black or tarry blood in dog's stool. Medicines that have bismuth subsalicylate (Kaopectate, Pepto-Bismol) can also cause very dark stools. Other causes of black poop Poop that looks like tar is often a sign of bleeding in the.

Top 4 Causes of Dark Brown Stool Buoy Healt

Dark or black stools; Persistent vomiting; Blood in the stools; A continuous or severe stomach ache; Signs of dehydration including feeling lightheaded, passing urine infrequently, or drowsiness; Diarrhea can be one of the causes of anal itching. Chronic (ie: persistent or ongoing) anal itching can be a symptom of an underlying condition The stools are totally liquid, in the form of puree, not appearing any kind of solid element. This type of stool occurs at times when there is a risk of dehydration. Color is also important. The above types are especially important when it comes to identifying how our stools are, but there are other factors such as color that also They can be. You have it backwards: diarrhea causes dehydration because you lose fluids (water) when it comes out that end. If you are losing more than you are putting in, dehydration occurs. If it gets bad enough, it can kill you since you are also losing sod..

Having constipation, however, does not mean you have colon cancer. A change in your diet, poor nutritional habits, stress, dehydration or lack of physical activity can also cause constipation. Physicians generally recommend that if you have constipation for more than two weeks, you should see your doctor so a cause can be determined Thin stools can also occur with anal cancer, but it's less common. There are illnesses that can cause diarrhea, such as food poisoning, Dehydration (dry mouth and reduced tear productio Reasons Behind Black Feces. As mentioned above, internal bleeding is often the cause of black colored stool. Anal fissure, being one of the potential causes, manifests through creation of a tear along the lining of our anal canal. This tear is called a fissure, and it is made worse through every hard bowel movement, thus resulting in bleeding Substances such as iron supplements, black licorice, black stout, and bismuth medications also cause black poop. White. If stools are white, gray, or pale, a person may have an issue with the liver or gallbladder as pale stools suggest a lack of bile. Some anti-diarrhea medications cause white stools. Gree

Coronavirus symptoms: Black or tarry stool may be a sign (Image: Getty Images) According to a study published by researchers in Beijing, four to 13.7 percent of infected individuals experienced. Remember that foods high in fat can sometimes cause yellow stool. If you notice your stool is yellow in color (steatorrhea), this could be a sign of a lack of fat absorption in your digestive track. There are many things that could cause problems with absorbing fats, so if this yellow stool persists for more than two days, give your doctor a.

Excess gas can be transferred and get trapped in the poop, which causes it to float instead of sink. However, there are also other causes of floating poop. They include: 1. Steatorrhea. Steatorrhea is the medical term for a fatty stool or the presence of excess fat in the feces Causes of Dehydration in Dogs. Lack of water intake can cause dehydration, which can occur if a dog doesn't have proper access to water or won't drink enough stools that are black and tarry; symptoms of dehydration; What causes diarrhea? Acute and persistent diarrhea may have causes that are different from those of chronic diarrhea. In many cases, doctors do not find the cause of diarrhea. Most diarrhea goes away on its own within 4 days, and finding the cause is not necessary. Acute and persistent. The primary cause of sticky poop is fatty or fibrous food. Though eating fibrous food is very important, because it adds bulk to the stool, but these foods are likely to remain undigested. Since most reasons for sticky poop are related to the foods you consume, the best treatment is to keep away from the food that gives you problems. Know what causes sticky poop and what to do about it Nausea & Vomiting. Nausea and vomiting are known stool softener side effects and may be caused by both liquid and pill forms of this type of drug 2. Because severe vomiting can lead to dehydration and other serious medical conditions, it should be reported to a doctor. An alternate medication may be prescribed

Can dehydration cause blood in stool Answers from

Why Is My Poop Black? 7 Causes of Black or Tarry Stoo

Another possible cause of mucus in stool is celiac disease, according to Kavita Shanker-Patel, MD, a family practitioner with Northwestern Central DuPage Hospital, Chicago. Celiac disease is a relatively rare autoimmune condition in which the ingestion of even tiny amounts of gluten triggers an immune response that damages the small intestine However, prolonged diarrhea can be a sign of other problems. People with diarrhea may pass more than a quart of stool a day. Diarrhea can cause dehydration, which means the body lacks enough fluid to function properly. Dehydration is particularly dangerous in children and the elderly, and it must be treated promptly to avoid serious health. The stool lacks bile, which could be secondary to bile duct obstruction. Some medications cause light colored stool such as large doses of anti-diarrheal medications. Greasy, foul-smelling, yellow stool: There is an excessive fat in the stool. It can be caused by malabsorption disorder such as in patients with Celiac disease

Narrow stools: 8 Causes, Symptoms, Treatments, Warning sign

Constipation can be caused by a variety of things, like a lack of physical activity, a diet that does not contain sufficient fiber, or even dehydration. Most commonly, though, it is linked back to the foods we eat each day, and the foods we need more of. When your child becomes constipated, we know bathroom-time can be a bit of a struggle Causes of Pencil Thin Stools. Any narrowing or obstruction of the bowel can lead to thin bowel movements. This may arise with a mass or constriction of the bowel. Even abnormal distension of the bowel or damage to the nerves that control bowel motility may contribute to obstructions within the bowel. Any cause of diarrhea may also result in. Symptoms: Aside from black and tarry stools, symptoms can vary depending on the underlying cause. Treatment: Find and address the cause and supportive care such as fluids where necessary and in severe cases, a blood transfusion. [lwptoc] About. Blood in the stool can refer to melena or hematochezia. The type of and appearance of blood can give. Take note that diarrhea with severe vomiting can cause dehydration, so seek early treatment. 3. Unusual Stool. A dog's stool can be an indicator of their overall health. Usually, a healthy dog will have firm, small, and moist stools. On the other hand, dry and hard stools can be a sign of a health disorder, dehydration, or dietary problems Diarrhea is usually not a cause for alarm, but in some cases, it can be a warning sign of a serious illness or medical condition. Blood or pus in the stool; Severe abdominal pain; Black, tarry stools (a sign of bleeding from the digestive tract) Diarrhea for even a short period of time can lead to dehydration as the body loses fluids.

But it can be a sign of a serious underlying problem, some of which can have potentially life-threatening complications. Examples include dehydration and bowel obstruction. Call 911 or go to your nearest emergency room for constipation along with potentially serious symptoms including: Black, bright bloody, or tar-like stool Although green stools are not a cause for concern in many children, green diarrhea lasting for several days requires medical care. Shades of brown, tan, green, or yellow are normal stool colors. Seek prompt medical care for red, black, or white (pale) stools since these can be due to underlying diseases or conditions such as GI bleeding and. Conditions that affect the intestines, especially those that interfere with fat absorption, can also cause yellow stool. For example, Giardia, a parasite that can be found in waste products and contaminated water, can cause yellow diarrhea, fever, and flu-like symptoms. Yellow stool is unusual, and may be a symptom of a serious medical condition Take careful note of the color of the blood in your cat's stool. If it's bright red, that means the bleeding is most likely occurring in the rectum or lower intestines. If it looks dark or more like black tar, that means its older blood and comes from bleeding in the upper GI tract. Your vet will want to know this information

Dehydration - Symptoms and causes - Mayo Clini

Black stool is usually not a sign of miscarriage. Black stools during pregnancy are common, and it should not be a cause of worry. The reasons could be as harmless as iron supplements or having dark-colored foods. But in any case, be watchful of your health and other symptoms you experience at the time and discuss it with your doctor Causes Diarrhea. More often than not, severe diarrhea is a common cause of this condition. Normally, diarrhea is a condition where there is excessive passage of very watery stools. However, in serious cases, there can be passage of blood and mucus in stool as well Rotavirus is another common virus that can cause loose stools in dogs. As with other common gut viruses, healthy adult dogs are unlikely to be affected. Young and stressed dogs will experience watery diarrhea and possible dehydration

The cause of black diarrhea can be an infection, food intolerance, side effects of medication such as drug medication and iron pills, and bleeding from the stomach. The condition may be accompanied by fever, dehydration, severe pain and sometimes accompanied by black stool. The diarrhea itself would require consulting a physician most. May cause dehydration if left untreated It is the result of how the digestive system protects the body from irritants and other dangerous organisms by eliminating them out. The colon flushes water to the stomach, thus the watery stool Melena in Dogs: Black and Tarry Poop. In the case where blood comes from the upper part of the digestive tract (the stomach or small intestine), it will appear dark to almost black and tarry. Some owners are not aware that dark stool can actually mean the presence of blood. This is called melena

Stool Color Chart, Meaning, Texture Changes, Size & Unhealth

Regular exercise. Regular physical activities can help eliminate excess water from the body through sweating. Together with water, toxins too, are eliminated from the body. Exercise can also improve the blood circulation. Drink lots of water. At least drink 8-10 glasses of water. Dehydration can cause water retention in the body Dehydration due to loss of body fluids, causing fatigue, lightheadedness, and thirst. Lack of appetite. Incontinence (inability to control bowel movements, resulting in stool leakage) Diarrhea may present additional symptoms in babies: Sunken soft spot on the head (depressed fontanelle) Crying without tears bowel cancer - this can cause diarrhoea and blood in your stools Persistent diarrhoea can also sometimes occur after surgery on the stomach, such as a gastrectomy. This is an operation to remove part of the stomach - for example, as a treatment for stomach cancer Diarrhea, also spelled diarrhoea, is the condition of having at least three loose, liquid, or watery bowel movements each day. It often lasts for a few days and can result in dehydration due to fluid loss. Signs of dehydration often begin with loss of the normal stretchiness of the skin and irritable behaviour. This can progress to decreased urination, loss of skin color, a fast heart rate. These ulcers are sores that appear on the lining of the stomach. This sore can cause bleeding and turn the color of your stool black. These sores often develop after the mucus layer of the stomach has been compromised by flank one. Peptic or gastric ulcers [5] are typically painful, and the pain and bleeding often increase when and after eating

Pepto Bismol and Black Stool: A Common Side Effect

Depending on the primary cause of bloody diarrhea in the dog, water can be prohibited, or it will be necessary for providing an unlimited amount of liquid for the animal to avoid dehydration or even septic shock. Once the vet diagnoses the cause of blood in the stool, they will determine adequate treatment Sometimes, dehydration can get more severe. If your loved one has had diarrhea for more than 24 hours, has black or bloody stool, or has trouble keeping fluids down, it may be a good time to call 911. Dehydration can be a problem for people of all ages, but is especially worrying for older adults Some patients may require treatment that is specific to the cause of the dehydration. For example, the doctor may prescribe medications to treat diarrhea or vomiting if it is the underlying cause of the dehydration. Diagnosing Dehydration. Diagnosing dehydration can be made with the help of a few routine tests that may include the following Black stool has a range of benign to more serious meanings, says Inadomi. Certain medications, such as Pepto-Bismol, can cause black stool. But black poop could also be from a bleed in the esophagus, stomach or small intestine. When blood comes from a higher source than the colon, it has more time to be transformed by chemicals, bile and other.

Gastrointestinal bleeding - Symptoms and causes - Mayo Clini

After you swallow an unsafe (contaminated) food or drink, it may take hours or days to develop symptoms. If you have symptoms of food poisoning, such as diarrhea or vomiting, drink plenty of fluids to prevent dehydration (not having enough water in your body) Symptoms can be worse in babies, young children, older adults or anyone of any age that is immune-compromised. Vomiting and diarrhea can cause dehydration (not enough water in the body) within just a short period of time, depending on the circumstances. Signs of dehydration include: Extreme thirst Dehydration: Phillips milk of magnesia may also cause dehydration after a period of usage. In fact what people perceive as milk of magnesia weight loss is a temporary side effect of milk of magnesia abuse. Some people may get tarry or black stool or coffee-ground like vomit after an oral treatment with milk of magnesia The Solution. The solution to avoid heat related illnesses which could potentially result in diarrhea is pretty simple. You are going to want to. Decrease physical activity. Stay indoors if possible, in cool well-ventilated areas. Drink lots of water, preferably cold water. And there or a lot of other little things you do Tarry, black stool indicates bleeding in the GI tract . See a doctor immediately. Green Stool . Can be caused by eating green foods, foods with purple dye, or certain medications. No action needed unless condition persists. Red or Bloody Stool . Beets and other red foods can cause your stool to be bright red, but so can bleedin

The cause of bowel obstructions can be dehydration or constipation. To treat it you can improve your water intake and allow proper functioning of your bowels. Irritable Bowel Syndrome: Read More Black specks in stool: 5 Causes, Treatment, When to see a doctor Red Wine and Black Poop. Normally drinking alcohol can cause a number of digestive issues, from diarrhea to vomiting. Black stools however, may be something else. Just maybe. If you drank red wine, then you may experience this. The tannins and dye from the skins of red grapes can cause this Each person usually has consistent stool characteristics. A change from the usual to something quite strange is usually a cause for concern. Keep in mind that some factors like stress, dehydration, diet, some drugs and so on can cause changes in your stool and it may not be a cause for alarm Pus in stool is a common symptom of irritable bowel syndrome. A diagram showing ulcerative colitis and other colon problems that could cause pus in the stool. IBS may cause pus in stools accompanied by chronic abdominal cramping and gas. Excessive pus in the stool may cause dehydration. Daily ingestion of probiotic supplements may help increase.


Along with black tarry stools, a blood clotting disorder can also present symptoms such as purple-tinted skin (an indication of blood under the skin). Polyps or bleeding tumors can cause. So basically, black diarrhea causes are a sign of more serious conditions such as infection, bowel disease irritation, pancreatitis or colon cancer depending on color and other symptoms such as dehydration, high fever, and excessive abdominal pain. Black stool can also be caused by Pepto Bismol for treating diarrhea A bloody stool can either look brown or black in color, and the color of the stool is symptomatic of the cause behind the bleeding. Sometimes bloody stools are caused by rectal bleeding, and at other times it caused by internal bleeding. Whatever the cause, a bloody stool is incredibly scary and easy to notice, and it's definitely not normal Cancers of the pancreas, gallbladder, and bile duct can cause the buildup of bilirubin, which in turn leads to dark urine. What To Do Next: The first course of action will be tests prescribed by your doctor to establish if you have cancer. Your doctor may then advise chemotherapy or radiotherapy to treat it. 12. 7

Does Spicy Food Dehydrate You? – Hydrant

Causes of Blood in First Morning Stool. Fresh blood in the stool might appear in the stool itself, or it might be seen on the toilet tissue. In addition, percentages of blood that are not noticeable to the naked eye may be identified by a special test, called a fecal occult blood test, which can be performed by a doctor In small children, severe diarrhea lasting just a day or two can lead to dehydration. Because a child can die from dehydration within a few days, the main treatment for diarrhea in children is rehydration. Take your child to the doctor if any of the following symptoms appear: Stools containing blood or pus, or black stools Temperature above 101. The color of your poop (stool) can vary. Stool color can be influenced by the color of the food you eat. Usually, this isn't something you need to worry about. But if you ever see red (blood) in your stool or have a bowel movement that is black, that could be something more serious. Keep a record of any bowel movements that: Are black and tarry Cracked stool can be a sign of dehydration, or a sign that stool is passing through your digestive system too slowly. When this happens, your colon will start to reabsorb water from your stool, making it appear cracked and hard. If you are passing cracked stools, and are also: feeling thirsty and lightheaded

Black (tar) colored stools and Cough: Common Related

People who have watery, black diarrhea may be suffering from an infection, pancreatitis, irritable bowel disease or colon cancer, according to WebMD. Black stools are often accompanied by abdominal or rectal pain, fever, and signs of dehydration. Chronic diarrhea can result from exposure to parasites or bacteria when people ingest contaminated. Dehydration is the most feared complication of stool frequency, because of the resultant end-organ damage and death if uncorrected. Although many cases of diarrhea day after drinking alcohol resolve spontaneously shortly after onset, severe cases may cause dehydration Watery Stools In case your stool is watery to get an extended interval, like, a month or even more, it may be an indication of Crohn's disease or irritable bowel syndrome, and needs to be checked out by your physician. As it could rapidly cause serious dehydration, particularly in kids any constant diarrhea deserves medical attention The Bristol stool scale is a medical aid designed to classify the form of human feces into seven categories. Sometimes referred to in the UK as the Meyers Scale, it was developed by K.W. Heaton at the University of Bristol and was first published in the Scandinavian Journal of Gastroenterology in 1997. The form of the stool depends on the time it spends in the colon If loose stool worsens, this can lead to severe dehydration. Loose stool and diarrhea can dehydrate your pup due to the fluid loss with each bowel movement. If the loose stool is not resolved quickly, the dehydration can come to a dangerous point. It's important to be aware of your dog's loose stool, and act quickly when you notice any changes

Why Is My Poop Light Tan? Here's What Causes Pale or Clay

This restricts the volume of nutrients your body can soak up, and might cause diarrhea and yellow stool. Diet. Your stool can be yellow since of your diet. Some causes of this are eating foods high in food coloring, carrots, or sweet potatoes. It may also be from particular gluten items or a diet high in fats. Yellow stool in older adult Diarrhea can lead to dehydration and a loss of electrolytes, such as sodium, potassium, magnesium, chloride, and bicarbonate, from the blood. If large amounts of fluid and electrolytes are lost, the person feels weak, and blood pressure can drop enough to cause fainting (syncope), heart rhythm abnormalities (arrhythmias), and other serious disorders

Symptoms & Causes of Viral Gastroenteritis (Stomach Flu

Causes of Yellow Diarrhea. The causes of yellow diarrhea include: 1. Bile Reduction. Normal poop is brown in color because it contains bile salts or bile pigments. If your liver fails to produce enough bile, the poop loses its normal brown color because it contains little or no bile pigments. Inadequate bile production may be due to: Gallstones. Because a child can die from dehydration within a few days, the main treatment for diarrhea in children is rehydration. Rehydration is discussed below. Take your child to the doctor if any of the following symptoms appear: Stools containing blood or pus, or black stools. Temperature above 101.4 degrees Fahrenheit

The Benefits of Carbon or Charcoal for Digestive Problems

2- Stress & anxiety can cause loose or watery stool. Anxiety is very common. In the USA, the National Institue of Mental health (NIMH) states that anxiety affects approximately 18% of the population. Besides anxiety, there is another common cause of acute attacks or intermittent attacks is stress.When you got anxiety or become stressed, your stress hormones increase and your brain sends. Typically, bloody stools that are a symptom of viral infections are very loose with blood spread through diarrhea. Dehydration is a big concern, and your vet will want to start a treatment of antibiotics, antivirals, and a saline drip post-haste. Internal Parasites. Blood or mucus in your dog's stools can mean parasites Since the biggest issue of colitis is fast dehydration, veterinary attention must be sought anytime your cat has blood in its stool and diarrhea. Your veterinarian can treat the dehydration, along with help to determine and treat the underlying causes. 2. Parasites. Parasites are a common reason for colitis and bloody stools in kittycats

Types of poop: Appearance, color, and what is normalSalmonella Infection In Dogs: Symptoms, Causes, AndWorm Identification34 Simple Home Remedies to Get Rid of DiarrheaBlood In Loose Stool Child

Inflammatory bowel disease. Another cause of explosive diarrhea with severe stomach pain is inflammatory bowel disease (IBD). Ulcerative colitis and Crohn's disease cause inflammation in your digestive tract which can result in mild to severe liquid diarrhea, fatigue, cramping, thin narrow stool, mucus in stool and a reduced appetite.. The Journal of Neuroinflammation says that this chronic. Dehydration can cause constipation. In dehydration, everything in the body is short of water, including the bowel and the stool. A small creature like a cat can become dehydrated quite quickly from vomiting and/or diarrhea which causes not only water loss but electrolyte loss The word gastroenteritis originates from the Greek word gastron, meaning stomach, and enteron, meaning small intestine. So the word gastroenteritis means inflammation of the stomach and small intestine. Medically, gastroenteritis is defined as a diarrheal disease, in other words, an increase in bowel movement frequency with or without vomiting, fever, and abdominal pain Diarrhea medicines (such as Pepto-Bismol) and iron tablets can make the stool black. Eating lots of beets may turn the stool red. Eating foods with black or dark blue food colouring can turn the stool black. If you take aspirin or some other medicine (called a blood thinner) that prevents blood clots, it can cause some blood in your stools