What Causes Green Baby Poop?

What Causes Green Baby Poop?

What Causes Green Baby Poop?

Green poop is quite common among babies, and it is usually not a cause for concern  and it can be caused by several factors, such as changes in diet, iron supplements, infection, antibiotics, food intolerances, formula, and teething. It is important that baby's green poop is not accompanied by any other symptoms, such as diarrhea, fever, vomiting, or dehydration.


If your baby is having green poop and you want to make sure that there is nothing wrong and they are comfortable, make sure you check out Pekaboo’s parenting books and most importantly the baby diapers that will run to your aid as well!


Keep on reading below  to find answers if you are wondering “Why is my baby poop green?” 

Why Is My Baby's Poop Green?


There are several reasons why your baby's poop may be green, but it is more important that you carefully watch your baby’s behavior and check if they are comfortable or not to see if they experience discomfort or other symptoms that might point to a disease. However baby green poop might occur depending on the below:


  • Diet: Green vegetables, such as spinach, can cause your baby's poop to turn green. If your baby is on formula, a change in formula or switching to a different brand may cause green poop as well.
  • Formula: Some types of formula can cause green poop in babies.
  • Teething: Teething can sometimes cause changes in your baby's digestive system, which can lead to green poop.
  • Infection: Certain infections can cause green poop, particularly if your baby has diarrhea.
  • Antibiotics: Antibiotics can disrupt the balance of bacteria in your baby's digestive system, leading to green poop.
  • Food intolerances: If your baby is intolerant to certain foods, such as dairy products, this can cause their poop to turn green.
  • Iron supplements: If your baby is taking iron supplements, this can cause their poop to turn green.

In most cases, green poop is not a cause for concern and will resolve on its own. However, if your baby's poop is consistently green and accompanied by other symptoms such as fever, vomiting, or dehydration, you should consult your pediatrician. Your pediatrician can help you determine the underlying cause of your baby's green poop and provide appropriate treatment or recommendations.

When to Visit the Doctor for Green Baby Poop


It is always best to consult a professional or visit them if you think there is something wrong with your baby’s behavior or health. They can help you determine the cause of this bright green poop infant is experiencing and provide appropriate treatment or recommendations.


If your baby is less than 3 months old and has green poop: They are more vulnerable to infections, and green poop could be a sign of a serious illness. In this case, you should visit your pediatrician right away.


If your baby has diarrhea along with green poop: Your baby has frequent watery stools along with green poop, it could be a sign of an infection or food intolerance. In this case, you should visit your pediatrician to rule out any serious health issues.


Your baby is not gaining weight or is losing weight: If your baby's green poop is accompanied by poor weight gain or weight loss, it could be a sign of an underlying medical condition. You should visit your pediatrician to evaluate your baby's health and ensure they are getting proper nutrition.


Your baby has other symptoms: If your baby has a fever, vomiting, lethargy, or signs of dehydration, along with green poop, it could be a sign of a serious illness. In this case, you should seek immediate medical attention.



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