Green Stool in Babies

For those of you reading this article, I hope it helps shed some light on any issues your baby may be having with green poop. While I am not a doctor nor do I pretend to be, I have done research up the wazoo on the issue of green stools in babies due to first hand experience with my son. This article is not for those with weak stomachs, as there are actual pictures of my son’s diapers. I found very few blogs and articles depicting the poop I was finding in his diaper each day. Hopefully the article and pictures will help another mom struggling with the same issue.

Let me start off by saying that while my son had (and still does occasionally) many green poops, he was very healthy and happy. If your baby has green stools and seems sick in anyway, call your doctor right away as this can be a sign of infection.

My story: My son had normal, yellow and seedy, poops for the first 6 weeks. After this, I started noticing bright green or dark green stools every couple of diaper changes. After speaking with my pediatrician, he didn’t seem too concerned as my son was growing and thriving well. For my own personal experiment, I gave up both dairy and soy because I read that an allergy to these may cause green poop. No luck. His poops continued to be some shade of green almost every diaper. I was still concerned. I had been dealing with an oversupply issue the entire time, but I thought I had it under control. (Oversupply often causes a foremilk-hindmilk imbalance, which leads to irritation in the gut and causes green stools. Click here to read more on oversupply.) Since I hadn’t had dairy or soy in 6+ weeks and there was no change, I figured I would try an elimination diet to see if he had food allergies. I was already eating gluten free, dairy free, and soy free, but I decided to stop eating corn, nuts, seeds, eggs, and nightshades as I read about possibilities of allergies with those foods. During the elimination diet, his poops got slightly better. I added in corn and eggs, and didn’t notice a change for the worse, so I figured those foods were in the clear. During this time, I also got my oversupply better under control and added in a probiotic to my son’s daily routine. I truly think both of those combined helped solve the issue. I still have yet to add back in nuts and nightshades, but I don’t believe they will cause him any issues.

This is what his green stools looked like. (He even had a tiny spec of blood three times during his very green stool period. The doctor said not to be concerned unless the blood was in every diaper and/or the amount increased.)

The takeaway: While my son MIGHT have a minor food intolerance to specific foods, I believe his green poop was/is caused by my oversupply issue. I thought I had it under control, which is why I started the elimination diet in the first place. The thing was, though, I didn’t. Once I starting managing it better, the poops took a turn for the better. I am still working on oversupply, but things are looking up!

If you are a mom struggling with a similar story, feel free to contact me to discuss more.


3 thoughts on “Green Stool in Babies”

  1. My LO diapers look identical to yours!!! My doctor has also said there is no concern, but I am worried because my baby is still on a nipple shield and falls asleep constantly when feeding- which I know is causing foremilk/hindmilk imbalance. I have been pumping to give her the hind milk she needs and is not getting when eating directly from the breast, but I have not noticed any difference. I cut dairy out of my diet for two weeks, but there was no improvement. She also has had eczema break out in the last month, and I wonder if it is also related.

    Any insight you have will definitely be helpful. Thanks!

    1. This sounds very similar to what we experienced. Unfortunately I don’t have a cure for the green poop, as our son’s recently came back with avengence. I do have some suggestions to try that might work. From my extensive research on this topic from other moms, my doctor, and medical websites I have a few things that could help. Sometimes, if dairy is a culprit so is soy. I would try eliminating soy for a few weeks to see if that could help. This didn’t help for us, but I see it did help a lot of other babies. I also thought it could be a food sensitivity to something I was eating in the breastmilk. I did an elimination diet with dairy, soy, gluten, corn, oats, potatoes, and nuts. Once again, I saw this helped for other moms but no luck for us. I do have an allergy appointment scheduled for a couple of weeks out, because I feel like some foods do affect him negatively besides the green poop. When I eat nuts he becomes very angry and sometimes gets red blood specs. Does your little one have any blood in their diaper? Or do they have any other symptoms like fussiness or gas with the green poop? My pediatrician said not to be concerned if he is healthy and gaining weight (he is in 97%) but when he consistently has green poop even after correcting the foremilk/hindmilk imbalance it still worries me so I know how you feel. I wish I had a good answer for you, but I am still working on it. We thought we had it under control but like I said before, it recently came back. I would soy first and see if that helps. If not, there might be another food causing it but it’s VERY hard to pinpoint with an elimination diet and it really stinks to have so little to eat at this time. Once we have the allergy testing I will do an update on our situation. I hope this gives you a little direction but I’m sorry I don’t have a good answer. I feel your pain with the green poop, though! It’s very frustrating.

    2. My son also has eczema, as well. I have read this could also be due to food allergies or sensitivities of sorts. This is another reason why I want to have him tested. It might be worth looking into for you, if nothing else works. I am worried about a possible nut allergy so that is my main reason for allergy testing.

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