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Doctor insights on: Green Blue Poop

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My 6 week old baby had a dark green to blue poop and has been crying all day very fussy and not sleeping well?

My 6 week old baby had a dark green to blue poop and has been crying all day very fussy and not sleeping well?

Fussy: If you are bottle feeding the green stool can be due to the iron in the formula or he may be developing a viral gastric infection try a feeding of pedialyte to settle his stomach. ...Read more

Bowel Movement (Definition)

Expulsion of fecal material, food residue and bactrial residue, ...Read more


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My breastfeeding infant has blue green poop, is this normal?

My breastfeeding infant has blue green poop, is this normal?

Poop Colors: The color of stool is not usually concerning, as it reflects a lot of things we eat. Dark black, red or white stools are the only colors that are worrisome. ...Read more

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My stomach hurts a lil & when I go poop it is a green blue color. What does that mean?

My stomach hurts a lil & when I go poop it is a green blue color. What does that mean?

Greenish stool: It is probably related to your diet. However, we are getting in the gastroenteritis season (predominantly in children) and the most common cause is Rota virus gastroenteritis. Rota virus stool tends to be greenish. If you have abdominal pain that persists and you develop diarrhea you may want to get evaluated for Rota virus ...Read more

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Embarrassing question but what could cause green maybe green blue areas in my normal colored stool. No diet change. 3 days in a row.

Embarrassing question but what could cause green maybe green blue areas in my normal colored stool. No diet change. 3 days in a row.

See answer: The vast major of green and blue discolorations of one's stool are related to diet and not disease. Green (blue+yellow =green)poop can be seen with excess green leafy vegetables (chlorophyll), excess iron, artificial food dyes (ice cream, cake frosting, liquorice candy, etc). Less often by excess bile. Blue poop most often also related to food dyes (e.g. Blue curaƧao, grape soda). Re-evaluate diet. ...Read more

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Why would poop be blue/green?

Why would poop be blue/green?

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. ...Read more

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I'm wondering why was my poop a blue dark green color?

I'm wondering why was my poop a blue dark green color?

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 could be the sign of a malabsorption issue. ...Read more

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Why is my poop blue? It was a rich color of blue/blue-green?

Why is my poop blue? It was a rich color of blue/blue-green?

Blue Stool: This is in now way normal. It is most likely a reaction to something you ate. If you have any other symptoms and this persists I would get to a gastroenterologist. ...Read more

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My 3 year old daughter eats same diet and drinks but poop has turned almost neon green and bright blue been going on for about a week?

My 3 year old daughter eats same diet and drinks but poop has turned almost neon green and bright blue been going on for about a week?

Neon stool: Changes in the color of the stool in children is usually the result of dietary changes. Since you say you have not changed anything, you may want to consider talking to other caregivers about what choices they are making for her. Keep in mind that some preschoolers eat things like crayons and Play-Doh. ...Read more

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My stool has been a light blue/green for about a week now. And suddenly its hard for me to poop and my stomach feels bloated. Should I be concerned?

My stool has been a light blue/green for about a week now. And suddenly its hard for me to poop and my stomach feels bloated. Should I be concerned?

Yes, see a doctor: This does sound unusual enough to merit a visit to a doctor. Waiting more than a week is not likely to help. Hopefully, it is nothing serious - but if it is even minimal, you should find out what it is and what can help. Best! ...Read more

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My stool was a greenish blue color being half runny half hard. I drank a blue Powerade yesterday but it has never caused this before. Along with that?

My stool was a greenish blue color being half runny half hard. I drank a blue Powerade yesterday but it has never caused this before. Along with that?

Color from food dye: The color of your stool is the result of the food you ingested. Nothing in the body causes blue colors. Blue dye is used in medicine for this reason. Blue is used to see areas for surgery because nothing in the body is blue (although veins look this way, they are not blue).
check your stool again in a few days without eating anything with blue dye. ...Read more

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My daughter stool was blue green in color. She is 7 years old. What could be the problem?

My daughter stool was blue green in color. She is 7 years old. What could be the problem?

Bile/food coloring: Bilious green is seen sometimes in rapid transit time of bowel movements. Juices/berries and food coloring can contribute to color changes. Have a stool sample sent out by your doctor if needed if problem persists, with all kinds of foods. ...Read more

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Is the stool test "positive" when there is only a small speck of blue-green color on the test area?

Is the stool test "positive" when there is only a small speck of blue-green color on the test area?

Guaiac test +: Guaiac (leuco-dye) testing has been available for >100 years--the colorless dye turns blue or green in presence of adequate amounts of peroxidase-like substances (e.g. Hemoglobin) & hydrogen peroxide. Ingested iron, certain fruits & vegetables, some drugs, toilet bowel sanitizers give false-positive reactions. Method of collection & underlying pathology may account for your + finding--see doctor. ...Read more

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What would blue green colored feces with blood traces be a symptom of?

What would blue green colored feces with blood traces be a symptom of?

Why bluegreen stool?: The color of stool varies with foods, speed of emptying of the GI tract, medications ; supplements ingested, gut flora (unique for each individual), additives (like blood), subtractions (like absent bile), infection/exposures, inflammation, ; other factors. Since your bowel pattern has changed ;? Persists, testing is in order. You're probably okay, but get an exam to determine if rx is needed. ...Read more

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Embarrassing, but what could cause blue green feces? I do not feel sick at all. Could a sudden intake of more iron and zinc cause this?

Blue/green stool: Blue food coloring is a popular food additive, and when ingested in large quantities can make stools appear blue. Blue is not a pigment typically produced by the human GI tract. Blue is however the color of ingestable "indicator" dyes & that a hemoccult card will turn if blood is detected in stool (or it taking a lot of iron, as in your case)--is this to what you are referring? ...Read more

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I've had no change in diet medication nor have I ate any blue or green foods. I have crohns disease for the past 11 yrs. My stool is blue mucasy green.

I've had no change in diet medication nor have I ate any blue or green foods. I have crohns disease for the past 11 yrs. My stool is blue mucasy green.

Change in stool: Color with symptoms is usually benign. However with history of Crohns, you may have stool cytology done to consider exacerbation ...Read more

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I went to the toilet twice today and both times, the poo was a deep blue-green colour. Should I be worried?

I went to the toilet twice today and both times, the poo was a deep blue-green colour. Should I be worried?

Color rarely matters: Stool color is variable among different people and can change according to what you eat and drink.
I advise people not to worry about the color of their stool as it has no medical implications unless there is blood in the stool. Stop looking at your stool for a while and it will all be fine. ...Read more

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So my stool has been green with a neon blue slim around it but haven't changed my diet nor am I taking vitamins. Or anything with that color pigment?

Blue???: In general, greenish stool may indicate your food is passing through your system too quickly (often caused by fatty/greasy/"fast food") such that the bile pigments produced by the liver are insufficiently broken down. Also consuming large amounts of leafy green veggies, excessive amounts of green food coloring, licorice candy with anise, or iron supplements. Blue is rare: blue drinks, etc. ...Read more

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Had gastro on Monday vomiting (5+) and diarrhea (25+ in a day). Now poo is bright green. Is this the virus coming out or because I had blue Gatorade?

Had gastro on Monday vomiting (5+) and diarrhea (25+ in a day). Now poo is bright green. Is this the virus coming out or because I had blue Gatorade?

Green is OK: Stool can be green, red, orange, yellow or brown. As long as there is no blood in the stool you don't have to worry about it. Especially if you are starting to feel better and the diarrhea has slowed down considerably. If the diarrhea is still significant, the stool is green and foul-smelling (more than normal poop), see a doctor. ...Read more

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Had gastro and vomit turned yellow then green. Was drinking blue Gatorade. 2 days later poo soft and green fowl smelling. Green because of blue drink?

Had gastro and vomit turned yellow then green. Was drinking blue Gatorade. 2 days later poo soft and green fowl smelling. Green because of blue drink?

Bile: Green appearance is from the bile. Bile is from your liver and helps with digestion. In vomiting, the bile may be green- in diarrhea, bile moves through rapidly and discolors the stool. ...Read more

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Hello! For the last 3 weeks I've had abdominal pain (cramps) and green stool. About 5 days ago by stoil was a bright blue! I do not consume anythin?

Hello! For the last 3 weeks I've had abdominal pain (cramps) and green stool. About 5 days ago by stoil was a bright blue! I do not consume anythin?

Why blue/green stool: The color of stool varies with foods, speed of emptying of the GI tract, medications & supplements ingested, gut flora (unique for each individual), additives (like blood), subtractions (like absent bile), infection/exposures, inflammation, other factors. Since your bowels concern you, testing is in order. You're probably okay, but get an exam to determine if rx is needed. ...Read more

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Finished a 10 day prescription of amoxicillin. I noticed I have a bowel movement every day (usually once every 3-7 days) but they are blue-green? ..

Finished a 10 day prescription of amoxicillin. I noticed I have a bowel movement every day (usually once every 3-7 days) but they are blue-green? ..

Med effect: Probably this is a feature of the antibiotic changing the normal microbial flora in your gut. As long as not yellowish and very foul smelling, should be ok. Could also be opportunity to add stool softener (miralax/fiber gummies/prunes--whatever you can take daily and tolerate) to increase the frequency of your bms. Constip & infreq bms can predispose to diverticulitis among other things. ...Read more

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Pooping green and have a butt cyst, what could be the cause?

Pooping green and have a butt cyst, what could be the cause?

Green feces can be: Due to rapid transit time through the gut or ingesting foods with green pigments. I would encourage you to have the cyst medically assessed. Take care. ...Read more

Feces (Definition)

Feces is the product of ...Read more