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Doctor insights on: Blood In Stool After Diarrhea

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Dr. K. Mujib Haque
412 doctors shared insights

Gastrointestinal Bleeding (Definition)

A long tube runs from the mouth to the anus. It includes, in order, the mouth, throat, esophagus, stomach, small intestine (duodenum, jejunum, ileus), caecum, the ascending, transverse, descending, and sigmoid colon (or large intestine) and the rectum. The space inside that tube , the lumen, is considered to be outside of the body. When we bleed into that space ...Read more


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IBD or IBS: Cramping, pain, loose stools, but not frequently. Possibly small specs of blood in stool rarely. Does this mean Chrohns or IBD over IBS?

IBD or IBS: Cramping, pain, loose stools, but not frequently.  Possibly small specs of blood in stool rarely. Does this mean Chrohns or IBD over IBS?

Can't tell.: No way to tell from the info. If there is truly blood then IBD must be a consideration, but plenty of people with IBS have blood related to constipation or hemorrhoids or another common cause. Best to see your doc for an exam. The real test is some sort of endoscopy with a direct look at the inside of your intestine and consideration of biopsy. ...Read more

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Daughter 5 had diarreah stomach cramps had little blood in stool not seen physically got culture done came back negative what could be causing this?

Daughter 5 had diarreah stomach cramps had little blood in stool not seen physically got culture done came back negative what could be causing this?

Many causes : There are many causes of stomach cramps, Diarrhoea and blood in stools. If the culture was negative have the stool examined for parasites like Giardia, amoeba and repeat the culture if necessary also looking for campylobacter and other organisms. If the symptoms are severe enough have the child seen again and right away if child's condition warrants it. ...Read more

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Severe head ache diarhea 4 days stumach cramp achin joints feel cold no vomitin but occasional blood in stool what can it be how do I stop it please ?

Severe head ache diarhea 4 days stumach cramp achin joints feel cold no vomitin but occasional blood in stool what can it be how do I stop it please ?

Dx- Gastroenteritis: Rx-Stop all food and only drink increasing amounts of Pedialyte or Gatoraid.When hungry(tomorrow) eat only simple carbs like toast,potatoes,w rice,to satisfy hungar.Continue to drink lots of fluids,as above & Tylenol (acetaminophen) for Head and joint pains.If not better by day 3,c ur doc. ...Read more

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I have had diarrhea for approximately a week and notice blood in stool for the past 3 days. I was on 3 different antibiotics back-to-back since Nov13?

I have had diarrhea for approximately a week and notice blood in stool for the past 3 days.  I was on 3 different antibiotics back-to-back since Nov13?

See below: Diarrhea can cause blood in the stool from bleeding hemorrhoids provoked by frequent bowel movements. Antibiotic Associated Diarrhea(AAD) is often self limited and due allergic or toxic effects of antibiotics on the bowel.More severe and persistent AAD is likely due to overgrowth of abnormal numbers of infectious bacteria,C. diff commonly,as well as others and Candida.Speak with yourDr for advice ...Read more

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Blood in stool on and off for a few months with alternating constipation and diarrhea. colonoscopy is set but Not having symptoms can they tell?

Blood in stool on and off for a few months with alternating constipation and diarrhea. colonoscopy is set but Not having symptoms can they tell?

IBS: or IRRITABLE bowel syndrome is a "diagnosis of EXCLUSION" That means it is made after the colon is found CLEAR of any OTHER reasons for your symptoms (which are pretty "classical" for this diagnosis!!!! IBS is definitely TREATABLE with SPECIFIC medications now so have your colonoscopy and be WELL! Hope this helps Dr Z ...Read more

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My diarrhea is black,, got tested for c diff today,, have had diarrhea for 3 weeks,, can this mean blood in stool? I'm very tired and nauseous!! Very

My diarrhea is black,, got tested for c diff today,, have had diarrhea for 3 weeks,, can this mean blood in stool? I'm very tired and nauseous!! Very

Tarry?: Blood in the stomach is cathartic (leads to diarrhea) but usually, turns the stool "tarry" in consistency. So, yes, a change to black liquid stool can be a sign of bleeding in the GI tract. Fatigue & nausea are also consistent. The bleeding may be sporadic (ie, slow bleed) but still cause these symptoms, so it behooves you to get checked out by a physician. A simple stool test will confirm blood. ...Read more

Dr. Oscar Novick
2,082 doctors shared insights

Loose Stools (Definition)

Loose stools is a symptom in which a person's stool (poop) does not hold its shape after it goes into the toilet. Instead of remaining a shaped piece of poop, the poop spreads out in the toilet bowl water. Very loose stool is called diarrhea. Loose stool can be caused by infections, certain foods or drinks, ...Read more


Dr. Eric Kaplan
513 doctors shared insights

Bloody Or Red Colored Stools (Definition)

Blood in the stool of babies is always a concern and should be investigated. Some of the causes include food allergies, infection of the bowels (bacterial gastroenteritis), anal fissure, and rarely, intussusception. ...Read more