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A 16-year-old male asked:

why my poop is green?

4 doctor answers7 doctors weighed in
Dr. Vahe Yetimyan
General Practice 51 years experience
Fast transit time: can do this ( IBD, celiac, food allergies ). A fast transit time (shorter than 10 hours) means food is passing through your system too quickly. Not enough time the bacterias in the large bowel to breakdown the bile and change the color from green to brown. The ideal bowel transit time is anywhere from 12 to 24 hours. Also some green color vegetables , iron pills , color in the foods can do this.
Dr. Dean Giannone
Internal Medicine 25 years experience
Diet can affect it.: The composition of your diet can at times affect the color and consistency of your stool.
Dr. Victor Yang
Gastroenterology 37 years experience
No issues: Stool color is determined by the foods you ingest and the bacterial flora in your gut. It can vary from yellow to green to brown. I would be concerned only if it is black, red or has no color at all
Dr. Gurmukh Singh
Pathology 49 years experience
Depends: What are you eating. Many vegetables like mustard greens, spinach may impart a greenish color to stool. It is not an abnormality and you can safely ignore it.

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Similar questions

AL
A 17-year-old male asked:

What makes poop green sometimes?

2 doctor answers2 doctors weighed in
Dr. Sanober Butt
Pulmonology 20 years experience
Bile: If u are passing bile fast that can cause it.
A 41-year-old member asked:

Can tequila make your poop green?

1 doctor answer4 doctors weighed in
Dr. Ryan Phasouk
Family Medicine 18 years experience
Color change: The stool can go through color changes on a daily basis, mainly dependent on the foods that you eat. If the stool color is consistently an abnormal color, independent of your diet, then follow with a doctor for further evaluation. It's possible even tequila can make someone's stool green, just depends from person to person.
A 49-year-old member asked:

What is wrong when your poop is green?

1 doctor answer1 doctor weighed in
Dr. Richard Rafoth
Gastroenterology 51 years experience
Nothing: Green stool is probably related to what you are eating. Only black, red, and whioe are bad colors for stool.
A 49-year-old member asked:

Why would poop be blue/green?

1 doctor answer3 doctors weighed in
Dr. Ryan Phasouk
Family Medicine 18 years experience
Poop: Poop can vary in color and character, dependent on the types of foods an individual eats. Also, digestive problems or malabsorptive syndromes can play a role in their color.
Eight Mile, AL
A 32-year-old female asked:

Why is my poop hallways green?

2 doctor answers2 doctors weighed in
Dr. Michael Michaels
Urology 53 years experience
See below: Food may be moving quickly through colon e.g.due to diarrhea,so bile does not have time to break down completely.Dietary causes:green leafy vegetables,green food coloring.If none of these factors are present see a doctor for evaluation and possible GI consult.

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Last updated Nov 20, 2020

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