Read below about large amount of stool change, including causes and common questions. Or get a personalized analysis of your large amount of stool change from our A.I. health assistant. At Buoy, we build tools that help you know what’s wrong right now and how to get the right care.

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A.I. Health Assistant Causes for Large Amount of Stool Change

The list below shows results from the use of our A.I. Health Assistant by Buoy users who experienced large amount of stool change. This list does not constitute medical advice.

  1. 1.Constipation From Not Eating Enough Fiber

    Constipation is a very common condition affecting the large intestine. It is characterized by difficulty passing stool, or passing stool less often. Commonly, it is linked to not eating enough fiber, which is the material that provides bulk to your stools.

    Variable, but can resolve in days to weeks

    Rarity:
    Common
    Top Symptoms:
    constipation, constipation, pain in the lower left abdomen, pain when passing stools, feeling of needing to constantly pass stool
    Symptoms that always occur with constipation from not eating enough fiber:
    constipation, constipation
    Symptoms that never occur with constipation from not eating enough fiber:
    vomiting
    Urgency:
    Self-treatment
  2. 2.Normal Variation of Constipation

    Constipation is a very common condition affecting the large intestine. It is characterized by difficulty passing stool, or passing stool less often. Commonly it is linked to not eating enough dietary fiber, not drinking enough fluids, or not getting enough exercise. Some medications can cause constipation as well.

    Variable, but can resolve in days to weeks

    Rarity:
    Common
    Top Symptoms:
    abdominal pain (stomach ache), nausea, stomach bloating, constipation, constipation
    Symptoms that always occur with normal variation of constipation:
    constipation
    Symptoms that never occur with normal variation of constipation:
    vomiting
    Urgency:
    Self-treatment
  3. 3.Traveler's Diarrhea

    Traveler's diarrhea is a digestive tract disorder that commonly causes loose stools and abdominal cramps. It's caused by eating contaminated food or drinking contaminated water.

    Usually resolves within 3 to 5 days without antibiotics.

    Rarity:
    Common
    Top Symptoms:
    diarrhea, nausea, abdominal pain (stomach ache), fever, stomach bloating
    Symptoms that always occur with traveler's diarrhea:
    diarrhea
    Symptoms that never occur with traveler's diarrhea:
    anxiety
    Urgency:
    Self-treatment
  4. 4.Possible Early Irritable Bowel Syndrome (Ibs)

    Irritable bowel syndrome (IBS) is very common problem that affects the large intestine. It can cause stomach pain, cramps, bloating, constipation, or diarrhea. Doctors think that IBS is caused by the brain sending wrong messages to the bowels, such as during times of high stress, causing physical changes. The formal criteria for this diagnosis requires 3 months of symptoms. Therefore you may have an early presentation.

    IBS is a chronic condition that may last for years, but it is not life-threatening and does not damage the bowels or lead to more serious illnesses. The formal criteria for this diagnosis requires 3 months of symptoms. Therefore you may have an early presentation.

    Rarity:
    Common
    Top Symptoms:
    fatigue, abdominal pain (stomach ache), nausea or vomiting, stool changes, constipation
    Urgency:
    Primary care doctor

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  5. 5.Lactose Intolerance

    Lactose intolerance is the inability to fully digest a sugar (lactose) in milk. This results in discomfort, gas, and maybe even stool changes shortly after ingesting a dairy product.

    Indefinite

    Rarity:
    Uncommon
    Top Symptoms:
    fatigue, abdominal pain (stomach ache), stomach bloating, constipation, diarrhea
    Urgency:
    Self-treatment
  6. 6.Irritable Bowel Syndrome (Ibs)

    Irritable bowel syndrome (IBS) is very common problem that affects the large intestine. It can cause stomach pain, cramps, bloating, constipation, or diarrhea. Doctors think that IBS is caused by the brain sending wrong messages to the bowels, such as during times of high stress, causing physical changes.

    IBS is a chronic condition that may last for years, but it is not life-threatening and does not damage the bowels or lead to more serious illnesses.

    Rarity:
    Common
    Top Symptoms:
    fatigue, abdominal pain (stomach ache), nausea or vomiting, constipation, stool changes
    Urgency:
    Primary care doctor
  7. 7.Normal Occurrence of Diarrhea

    Diarrhea has numerous causes including bacteria, viruses, parasites, medications, food intolerance & digestive system diseases.

    1 day

    Rarity:
    Common
    Top Symptoms:
    diarrhea, mild diarrhea
    Symptoms that always occur with normal occurrence of diarrhea:
    diarrhea
    Symptoms that never occur with normal occurrence of diarrhea:
    bloody diarrhea, severe diarrhea, worsening diarrhea, being severely ill, ill appearance
    Urgency:
    Self-treatment
  8. 8.Diarrhea Caused by a Bacteria Called Vibrio

    Vibrio parahaemolyticus is a bacterium in the same family as those that cause cholera and Vibrio vulnificus. It can be contracted by consuming raw or undercooked shellfish, or exposure to sea or brackish water, and causes gastrointestinal illness (i.e. diarrhea often with abdominal cramping, nausea, vomiting, fever and chills) in humans.

    Symptoms will usually resolve within 2 to 3 days without antibiotics.

    Rarity:
    Rare
    Top Symptoms:
    diarrhea, nausea, stomach bloating, headache, abdominal cramps (stomach cramps)
    Symptoms that always occur with diarrhea caused by a bacteria called vibrio:
    diarrhea
    Urgency:
    Self-treatment

Questions Your Doctor May Ask About Large Amount of Stool Change

  • Q.Have you experienced any nausea?
  • Q.Have you had any changes in your weight?
  • Q.Have you been feeling more tired than usual, lethargic or fatigued despite sleeping a normal amount?
  • Q.Any fever today or during the last week?

If you've answered yes to one or more of these questions, try our large amount of stool change symptom checker to find out more.

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Large Amount of Stool Change Symptom Checker Statistics

  • People who have experienced large amount of stool change have also experienced:

    • 21% Hard Stools
    • 8% Rectal Bleeding
    • 6% Abdominal Pain (Stomach Ache)
  • People who have experienced large amount of stool change were most often matched with:

    • 33% Constipation From Not Eating Enough Fiber
    • 33% Normal Variation of Constipation
    • 33% Traveler's Diarrhea
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

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