Explosive diarrhea happens when something speeds up your digestion, causing forceful bowel contractions, extra gas, and watery stool, often from infections (viruses, bacteria), food issues (intolerances, poisoning, artificial sweeteners, caffeine), medications (antibiotics), or conditions like Irritable Bowel Syndrome (IBS) or Inflammatory Bowel Disease (IBD). It means food is rushed through, and the gut can't absorb water properly.
Causes of diarrhea that are not due to acute illness include eating certain foods, food allergies and intolerances, some medications, caffeine intake, laxative use, alcohol use, digestive problems and diseases (celiac disease, irritable bowel syndrome [IBS], Crohn's disease, ulcerative colitis, small intestinal ...
Viral gastroenteritis
Viruses are the most common cause of gastroenteritis in children. Rotavirus, norovirus, adenovirus and astrovirus can all cause gastroenteritis. These viruses are very infectious and are passed easily from person to person. Outbreaks happen more often in autumn and winter.
The most common causes of acute diarrhea are viral gastroenteritis, food poisoning, and medicine side effects.
You should worry about diarrhea in pregnancy and contact your doctor immediately if you have severe symptoms like blood/pus in stools, fever (≥100.4°F/38°C), severe abdominal pain, frequent vomiting, or signs of dehydration (dizziness, dark urine, decreased urination). Also, seek urgent care if diarrhea lasts more than a couple of days, worsens, or if you suspect it's a sign of labor (contractions, pelvic pressure) or food poisoning.
Diarrhea
Viral or bacterial infections. Certain medications, such as antibiotics. Digestive conditions, such as irritable bowel syndrome (IBS) Trigger foods such as eating or drinking dairy, caffeine, and additives or artificial sweeteners.
Five key warning signs during pregnancy needing immediate medical attention include vaginal bleeding, severe headaches with vision changes, decreased baby movement, severe abdominal pain/cramping, and signs of preterm labor like regular contractions or fluid leakage, as these can signal serious issues like miscarriage, preeclampsia, placental problems, or infection. Always contact your healthcare provider or seek emergency care for these symptoms.
Organ failure, primarily kidney failure (renal failure), is a major cause of diarrhea, stemming from toxin buildup and inflammation in the gut, but liver or intestinal issues (like inflammatory bowel disease or infections, often secondary to weakened immunity in kidney failure) can also cause it, with severe diarrhea worsening kidney function due to dehydration and electrolyte imbalance.
Some more recent research has begun to look at diarrhea as part of the normal immune system response to pathogens. In this context, diarrhea may be part of the body's effort to rid the digestive tract of potentially harmful bacteria or other substances.
But when diarrhea lasts beyond a few days, it is usually a clue to another problem — such as medicine side effects, changes in diet, irritable bowel syndrome (IBS), or a more serious disorder, including ongoing infection, celiac disease or inflammatory bowel disease (IBD).
Osmotic diarrhea is diarrhea that arises from the presence of undigested material in a person's bowels. This prevents the bowels from absorbing typical amounts of water and electrolytes. The result is a greater amount of watery stool.
Diarrhea can be caused by not eating enough, but is usually a symptom of long-term undernutrition. Different infections or chronic digestive problems often cause diarrhea. Feeling weak, sluggish, and irritable are typical signs of not eating enough.
Red flags for diarrhea needing immediate medical attention include blood or black, tarry stools, severe abdominal/rectal pain, high fever, signs of severe dehydration (dizziness, little/no urine, extreme thirst), confusion, or diarrhea lasting more than a couple of days. For children, also watch for no wet diapers for 3+ hours, no tears when crying, sunken eyes, or unusual sleepiness, while adults should see a doctor for nighttime diarrhea or worsening symptoms.
Most people with IBS have normal bowel movements on some days and abnormal ones on others. The abnormal days define the kind of IBS you have. IBS with constipation (IBS-C): Most of your poop is hard and lumpy. IBS with diarrhea (IBS-D): Most of your poop is loose and watery.
Knowing what to say when you're sick with diarrhea can be tricky. Neither you nor your boss want to discuss the details of your bowel movements. A good way to phrase this is: “I have a GI bug, and I won't be able to come to work.” If the diarrhea is related to a known food poisoning, you can bring this up, too.
Bile acid, made in the liver, is released into the small bowel to help break down fats in food. The problem occurs when it does not get taken back into the body at the end of the small bowel. The bile then causes watery diarrhoea when it reaches the large bowel.
Symptoms can include:
Usual symptoms of a kidney infection include flank pain, fever, nausea, diarrhea, blood in the urine, painful urination and urinary urgency. In most cases, a kidney infection can be quickly and effectively treated with antibiotic and pain medications along with fluids to re-hydrate the patient.
Certain cancers can cause diarrhea. These include neuroendocrine tumors, colon cancer, lymphoma, medullary thyroid cancer and pancreatic cancer.
The most common symptoms of giardiasis are diarrhea with loose and pale greasy stools, gas, stomach cramps, bloating, weight loss, and fatigue. Fever and vomiting are rare. Many people who become infected with Giardia do not have symptoms, but can still spread infection.
Some people have adverse reactions to certain foods or their ingredients, and these reactions can result in diarrhea. A common cause is lactose intolerance. If a person cannot tolerate lactose, and they eat or drink a dairy-based product, they may experience explosive diarrhea.
The "3-2-1 Rule" in pregnancy is a guideline for first-time mothers to know when to call their midwife or doctor for active labor: consistent contractions every 3 minutes, lasting 2 minutes each (or 1 minute long for some variations), for over 1 hour. It helps differentiate true labor from false labor (Braxton Hicks), signaling it's time to head to the birthing center, while subsequent pregnancies often follow the faster 5-1-1 rule.
Most pregnancy symptoms don't start until four to six weeks after conception. While many of the symptoms are common, it's possible to experience no symptoms during the first trimester of pregnancy. The most common early symptoms include a missed period, light bleeding, breast changes or tenderness, and fatigue.
Go to the nearest hospital if you're pregnant and experience the following: