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Doctor insights on: Small Intestine Vs Large Intestine Diarrhea

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Intestine (Definition)

The gastrointestinal tract starts at the mouth, travel down the tunnel (esophagus), which connects to the stomach, which then empties into the duodenum, jejunum, and ileum---the three parts of the small intestine (@25 feet). This empties into the colon or large intestine (about 5 feet), which then becomes the sigmoid colon, rectum and out the anus. So, every morsel eaten ...Read more


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Pain in lower right abdomen the day after colonoscopy. Getting worse each day. No nausea or diarrhea. Bowel moving fine.

Pain in lower right abdomen the day after colonoscopy. Getting worse each day. No nausea or diarrhea. Bowel moving fine.

Colonoscopy: If the pain in the lower right abdomen is getting worse every day, you must have someone take you as soon as possible today to the nearest Emergency facility. Please let me know how things go.

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31yrmale.Mild pain & rumbling in lower abdomen after bowel movement.Entire day feel like diarrhea cramp but nothing comes out.No blood.Endoscopy clean

31yrmale.Mild pain & rumbling in lower abdomen after bowel movement.Entire day feel like diarrhea cramp but nothing comes out.No blood.Endoscopy clean

Pro mean with: and bio means life. Probiotics help the GI system digest food. Anti means against. So, if one takes excessive antibiotics (which are sometimes needed) they can kill off the good bacteria in our GI systems and we can have digestive problems. This can happen w/out antibiotics at times too. So, the probiotics replace the good bacteria that are missing or low. Peace and good health. See doctor.

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It's been 2 months. Frequent bowel movements accompanied with pre lower abdomen pain and cramps. Stool is watery thin but not like diarrhea.

It's been 2 months. Frequent bowel movements accompanied with pre lower abdomen pain and cramps. Stool is watery thin but not like diarrhea.

Visit doctor : What is color of stool? I suggest you visit a doctor.also drink plenty of fluids,as you lose a lot of water from your body in stool,stay hydrated.

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Lower abdominal pain when bowel movement is trying to be passed. Those muscles hurt. Constant stomach gurgling. Diarrhea. Tightness in upper abdomen?

Lower abdominal pain when bowel movement is trying to be passed. Those muscles hurt. Constant stomach gurgling. Diarrhea. Tightness in upper abdomen?

If..: If symptoms have been present only for a few days this can be caused by a virus most of the time. In this case drinking plenty of fluids,rest and taking over the counter antidiarrheal meds and analgesics helps with symptoms. If this has been going on for more than a week or so then it is time to get checked. Make an appointment with your doctor if this is the case.

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Fever of 99.6 for 7 days, left lower abdomen pain,bloated, occasional bleeding in bowel, diarrhea,food allergies, throwing up clean colonoscopy. Help?

Fever of 99.6 for 7 days, left lower abdomen pain,bloated, occasional bleeding in bowel, diarrhea,food allergies, throwing up clean colonoscopy. Help?

Get 2nd opinion: It almost sounds like diverticulitis which may not be detected by a colonoscopy. On the other hand, throwing up is not part of the symptoms unless you have a systemic infection which does occurs in diverticulitis. The counterpoint is that diverticulitis occurs usually in a much older age Food allergy is not associated with a fever. Suggest a consult @ an university center or with another GI.

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My son continues to get what i think are small abscess on his lower abdomen but this time it is bigger & hurts with diarrhea. Suggestions ?

My son continues to get what i think are small abscess on his lower abdomen but this time it is bigger & hurts with diarrhea. Suggestions ?

Abscess: It can be one of the worst bacterial infections called mrsa. Your son needs to be seen by his pediatrician who will definitely do a culture to see what kind of infection it is. He might need antibiotics. Diarrhea can be a co-incidence or may be related to the infection. Start giving him pedialyte 4-6 ounces for each diarrhea..... But consult his pediatrician soon.

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My small sis is having pain In her abdomen tell 4 days .... And also having diarrhea .... ?

My small sis is having pain In her abdomen  tell 4 days .... And also having diarrhea .... ?

Abdominal pain: She likely has a stomach bug and it should pass in about 3 more days but she should be seen be her doctor to make sure nothing more serious is going on.

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I am experiencing tender abdomen. The following also describe me: Abdominal pain (all over) and Diarrhea. And have little small red spots in chest that appear randomly. What should I do?

I am experiencing  tender abdomen. The following also describe me: Abdominal pain (all over) and Diarrhea. And have little small red spots in chest that appear randomly. What should I do?

You should go to: see a health care provider as soon as possible for an evaluation and examination and laboratory testing. These symptoms are not normal and the rash is concerning in association with them. Make an appointment today. Do not delay.

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I had diarreah for 3 days. My bowels went from brownish-green, to an orangish-red color. I had severe pains in my intestines/abdomen also.

I had diarreah for 3 days. My bowels went from brownish-green, to an orangish-red color. I had severe pains in my intestines/abdomen also.

Fast transit time: of the digested material from the large bowel can make these color changes. Infectious diarrhea, IBD or IBS can be the cause of the problem and needs to be treated accordingly.

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What does the large intestine do and how does it work with the small intestine?

What does the large intestine do and how does it work with the small intestine?

See below: The small intestine is the primary absorptive surface to allow nutrients to enter the blood stream for your nutrition. The colon or large intestine primarily absorbs water & stores waste until eliminated.

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How quickly does swallowing air enter the small intestine? Large intestine?

How quickly does swallowing air enter the small intestine? Large intestine?

Estimate: Within a few minutes as long as no obstruction to outlet of stomach.Large intestin would probably take several hours. In a newborn who is born with airless abdomen it takes usually up to 12 hours for air to get through entire small bowel and 24 hours for entire large bowel.

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How long does it take food to get to the stomach. To the small intestine. To the large intestine n back out?

How long does it take food to get to the stomach. To the small intestine. To the large intestine n back out?

Range: There is a wide range, for example 6 hours to 24 hours for all. Stomach sometimes one hour but could be more or less. Transit time varies a lot.

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I have blood in stool. A lot of bloating. I feel the blood is from small intestine not colon. Is there any way doctor can tell if it's from small or large intestine?

I have blood in stool. A lot of bloating. I feel the blood is from small intestine not colon. Is there any way doctor can tell if it's from small or large intestine?

Bloody BM: Blood in your bowel movements should be characterized. Is it blood streaked. Small bowel bleeding usually causes black bowel movements unless you are having a large bleed. A colonoscopy can easily rule out colonic bleed. A Pill Cam can take photos of your entire small intestine

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I woke up this morning, my abdomen was hurting, and i had diarrhea. Why?

I woke up this morning, my abdomen was hurting, and i had diarrhea. Why?

Specifics please: In what position do you feel better/ worse? What is the quality of pain--sharp, stabbing, pressure, bloating, gassiness? Where in your abdomen (right, mid, left) do you experience discomfort? Duration pain lasts? Is pain deep or superficial? Have you seen blood with stool or change in bowels? Any chance of pregnancy (sexually active)? Any bladder/uti symptoms? Ur doc will need this info 2 help

Large Bowel (Definition)

Large bowel, or large intestine connects terminal ileum of small bowel to rectum. Begins at the ileo-cecal valve and comprises cecum, ascendind, transverse, descending and sigmoid colon. Resposible for: 1) intestinal water resorption of ingested fluids, gastric & small intestinal digestive juices. 2) transporting end products of digestion & bacterial waste ...Read more


Dr. Oscar Novick
2,162 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