Read below about yellow/green vomit, including causes and common questions. Or get a personalized analysis of your yellow/green vomit 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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10 Potential Yellow / Green Vomit Causes

  1. 1.Viral (Norovirus) Infection

    Noroviruses are a group of related viruses that leads to nausea, vomiting, diarrhea, and cramps. These viruses cause gastroenteritis, an inflammation of the stomach and intestines. When the diarrhea and/or vomiting is severe, dehydration can occur. Symptoms of dehydration include a dry mouth, dizziness, urinating less frequently and dark urine.

    Usually resolves within 2-3 days.

    Rarity:
    Common
    Top Symptoms:
    diarrhea, vomiting or nausea, fatigue, nausea, abdominal pain (stomach ache), headache
    Symptoms that always occur with viral (norovirus) infection:
    diarrhea, vomiting or nausea
    Symptoms that never occur with viral (norovirus) infection:
    severe abdominal pain, throbbing headache, severe headache, tarry stool, vaginal bleeding, alertness level change
    Urgency:
    Self-treatment
  2. 2.Viral (Rotavirus) Infection

    Rotavirus is a virus that causes an infection of the gut, known as gastroenteritis. Symptoms include diarrhea, vomiting and fever. When the diarrhea and/or vomiting is severe, dehydration can occur. Symptoms of dehydration include a dry mouth, dizziness, urinating less frequently and dark urine.

    Symptoms resolve on their own within a few days.

    Rarity:
    Rare
    Top Symptoms:
    diarrhea, vomiting or nausea, nausea, fatigue, abdominal pain (stomach ache), headache
    Symptoms that always occur with viral (rotavirus) infection:
    diarrhea, vomiting or nausea
    Symptoms that never occur with viral (rotavirus) infection:
    constipation, tarry stool
    Urgency:
    Self-treatment
  3. 3.Gall Bladder Infection (Cholecystitis)

    Cholecystitis is the inflammation of the gallbladder. The gallbladder holds bile (a digestive juice). Gallstones can form when the bile gets thick, and these stones can block up the gallbladder and cause inflammation.

    Indefinite without surgery

    Rarity:
    Uncommon
    Top Symptoms:
    abdominal pain (stomach ache), nausea, loss of appetite, diarrhea, constipation
    Symptoms that always occur with gall bladder infection (cholecystitis):
    abdominal pain (stomach ache)
    Symptoms that never occur with gall bladder infection (cholecystitis):
    pain in the upper left abdomen, pain in the lower left abdomen
    Urgency:
    Hospital emergency room
  4. 4.Small Bowel Obstruction

    A small bowel obstruction is most often caused by adhesions after surgery, which make it difficult or impossible for food and fluid to pass through the bowel. This causes a blockage. Small bowel obstructions often cause nausea, vomiting, abdominal pain, and constipation.

    With appropriate treatment, symptoms resolve within days. In 18% of patients, an obstruction occurs again within 10 years.

    Rarity:
    Uncommon
    Top Symptoms:
    abdominal pain (stomach ache), nausea, stomach bloating, being severely ill, abdominal cramps (stomach cramps)
    Symptoms that always occur with small bowel obstruction:
    being severely ill
    Urgency:
    Hospital emergency room
  5. 5.Ovarian Torsion

    The twisting, or torsion, of the ovary around its surroundings. This may result in loss of blood to both the ovary and the fallopian tube. When diagnosed, this condition is considered an emergency and requires immediate surgery.

    Patients are generally discharged home within 24 hours of surgery in uncomplicated cases. The patient follows up with the surgeon 1 week after surgery, and additional follow-up is regulated as needed.

    Rarity:
    Rare
    Top Symptoms:
    abdominal pain (stomach ache), nausea or vomiting, nausea, moderate abdominal pain, loss of appetite
    Symptoms that never occur with ovarian torsion:
    diarrhea, pain below the ribs, mild abdominal pain
    Urgency:
    Hospital emergency room

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  6. 6.Indigestion (Dyspepsia)

    Indigestion, also known as dyspepsia, is a condition that causes pain or discomfort in the stomach after eating. In some cases, indigestion also causes heartburn, burping, and nausea. Indigestion or dyspepsia is a very common complaint. Every year, about 1 in every 4 people will experience an episode of dyspepsia, of which most cases do not have a serious underlying cause.

    These symptoms are likely to resolve, if they persist you should discuss this with your primary care physician.

    Rarity:
    Common
    Top Symptoms:
    nausea, stomach bloating, dyspeptic symptoms, bloating after meals, vomiting
    Symptoms that always occur with indigestion (dyspepsia):
    dyspeptic symptoms
    Symptoms that never occur with indigestion (dyspepsia):
    vomiting (old) blood or passing tarry stools, rectal bleeding, bloody diarrhea, fever
    Urgency:
    Self-treatment
  7. 7.Gallstones

    Gallstones are hardened deposits of digestive fluid that can form in your gallbladder. Your gallbladder is a small, pear-shaped organ on the right side of your abdomen, just beneath your liver.

    Curable with surgical treatment, but not necessary unless symptoms begin

    Rarity:
    Uncommon
    Top Symptoms:
    abdominal pain (stomach ache), nausea, loss of appetite, pain in the upper right abdomen, vomiting
    Symptoms that always occur with gallstones:
    abdominal pain (stomach ache)
    Symptoms that never occur with gallstones:
    abdominal pain that improves after passing stools
    Urgency:
    Primary care doctor
  8. 8.Stomach Ulcer

    A peptic ulcer is a sore in the lining of the stomach or the first part of your small intestine (the duodenum), which causes pain following meals or on an empty stomach.

    2-4 weeks with treatment

    Rarity:
    Uncommon
    Top Symptoms:
    fatigue, nausea, loss of appetite, moderate abdominal pain, abdominal cramps (stomach cramps)
    Symptoms that never occur with stomach ulcer:
    pain in the lower left abdomen
    Urgency:
    Primary care doctor
  9. 9.Food Poisoning by the Staphylococcus Bacteria

    Staphylococcus aureus is a bacterium that can be spread by food workers who handle food without washing their hands, and can also be found in unpasteurized milk and cheese products. Infection with this bacterium causes a stomach and intestinal illness in a short period of time, with symptoms such as nausea, vomiting, cramps, and diarrhea.

    Non-contagious illness usually lasting for 1 day (may take up to 3 days in rare cases).

    Rarity:
    Uncommon
    Top Symptoms:
    nausea, nausea or vomiting, diarrhea, abdominal cramps (stomach cramps), vomiting
    Symptoms that always occur with food poisoning by the staphylococcus bacteria:
    nausea or vomiting
    Urgency:
    Self-treatment
  10. 10.Influenza

    Influenza, or Flu, is an infection of the airway caused by the flu virus, which passes through the air and enters the body through the nose or mouth. The symptoms are similar to those of a cold, but the flu is usually more serious.

    Most recover within 1 week but cough and malaise can persist for 2 weeks.

    Rarity:
    Common
    Top Symptoms:
    fatigue, headache, loss of appetite, cough, muscle aches
    Symptoms that never occur with influenza:
    headache resulting from a head injury
    Urgency:
    Phone call or in-person visit

Questions Your Doctor May Ask About Yellow / Green Vomit

  • Q.Any fever today or during the last week?
  • Q.Have you lost your appetite recently?
  • Q.Have you been feeling more tired than usual, lethargic or fatigued despite sleeping a normal amount?
  • Q.Do you currently smoke?

If you've answered yes to one or more of these questions, try our yellow/green vomit symptom checker to find out more.

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Yellow / Green Vomit Symptom Checker Statistics

  • People who have experienced yellow/green vomit have also experienced:

    • 15% Abdominal Pain (Stomach Ache)
    • 10% Nausea
    • 4% Diarrhea
  • People who have experienced yellow/green vomit had symptoms persist for:

    • 65% Less Than a Day
    • 21% Less Than a Week
    • 7% Over a Month
  • People who have experienced yellow/green vomit were most often matched with:

    • 24% Viral (Norovirus) Infection
    • 21% Viral (Rotavirus) Infection
    • 11% Gall Bladder Infection (Cholecystitis)
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

Disclaimer: The article does not replace an evaluation by a physician. Information on this page is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes.

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