Is breastfeed babies poop runny?

Generally, breastfed babies’ poop is soft to runny in texture and has a light to medium brown color. It may also have whitish seed-like crumbs in it.

Within two to four days of your baby’s birth, you will begin to see what is known as transitional stools. These are lighter green or yellow and less tacky than meconium. They will also smell sweet (unlike regular bowel movement odor).



When a baby is first born, they may pass greenish-black stools that look like tar or motor oil. This is called meconium, and it contains everything they ate in the womb, including amniotic fluid, mucus, and bile. Typically, this poop disappears within a day or two. After that, breastfed babies usually have stools that are mustard yellow or yellow-green with a peanut butter-like consistency. This is perfectly normal! Once a baby starts eating solid foods, their poop will start to become more brown in color.

If a breastfed baby has stools that are loose, watery and have a greenish tint to them, this is known as diarrhea and it’s not healthy for your little one. Diarrhea causes a baby to lose too much water and minerals, such as magnesium and potassium, which is not good for them.

If a formula-fed baby has loose, watery stools that are a greener shade than usual, this is also not a good sign. This could mean that they are not getting enough nutrients in their diet or have a food intolerance or allergy (such as milk) that is causing them to be constipated. If you notice these symptoms, please consult your doctor immediately! They can help you determine what is causing these changes in your baby’s poop. They will be able to prescribe the correct medication or diet that will help.


Whether you’re breastfeeding or formula feeding, it’s normal for your baby to have lots of poop. The color and consistency of your infant’s poop can tell you a lot about what they’re eating and drinking. But it’s important to know the difference between a normal change in color or consistency and a sign that you should call your pediatrician.

In the first few days after birth, newborns pass a sticky greenish-black tarry stool called meconium. This is what your baby ingested in the womb, and it contains amniotic fluid, mucus, skin cells and other things that were shed while they were developing. The meconium typically passes in a few days and is followed by what’s known as transitional stools that are lighter in color and less tacky than meconium.

After that, your breastfed baby’s poop will be mustard yellow or light green with a seedy or pasty texture. It might also be runny, but it shouldn’t be so loose that it looks like diarrhea. It will usually smell sweet (unlike the usual bowel movement odor).

If your baby’s poop is orange or has a gritty texture, call your pediatrician right away. This can be a sign that they aren’t getting enough iron or that something else is wrong. It may also be a sign that your baby is allergic to milk, or that you haven’t been feeding them enough.


Baby poop changes regularly, and while some of these changes are natural and healthy, others can be warning signs that warrant a call to your doctor. Here are some things to look for:

In the first days of life, newborn babies often pass thick, blackish stools with a tar-like consistency. This is normal and called meconium. After this, baby poop should transition to a light-to-medium greenish color with whitish seed-like crumbs. This is typical of breastfed babies and a sign that the digestive system is working well.

The odor of breastfed babies’ poop is mild. Many mothers describe the scent as a combination of milk and cheese. However, as babies begin to eat solids and formula, the odor of their poop may become stronger.

A sour or rancid smell can indicate an over-abundance of bacteria in the baby’s bowel. While it’s still safe to feed your baby, you should talk to a doctor if this occurs.

Breastfeeding babies can experience diarrhea up to 12 times a day. If the diarrhea lasts more than a few hours, and your baby is losing too much water or minerals (electrolytes), contact a doctor immediately. This could be a sign of an infection, or it could be caused by food intolerances.


A baby’s constant need for nappy changes means parents get up close and personal with their little one’s poo. This is a good thing, because baby poop provides many clues about the baby’s health and well being. The color, consistency, and frequency of a breastfed babies’ poop can provide valuable information about their digestive system.

The first poop that a new-born passes is called meconium and it is black and thick. Over the next few days breastfed baby poop will become lighter and runnier as the breast milk digests. It usually turns from dark to khaki green, then to yellow or mustard coloured poop by the fourth or fifth day.

While it’s normal for breastfed babies to have runny poop, if the poo becomes very watery and occurs over three or more bowel movements, it may be diarrhea. Diarrhea is not something a new-born should experience and can be a sign of infection with germs that have found their way into the baby’s body from contaminated food, drinks, toys or hands.

Babies can also develop diarrhea when they are teething and will often put everything in their mouth, including toys, watery and their own drool which will then find its way into their tummies. This can cause the baby to lose fluids quickly and lead to dehydration. This will need to be treated in the hospital with rehydration fluids either through a tube in their nose (nasogastric tube) or by intravenous drip into the arm.


Yes, breastfed babies typically have runnier or more liquid-like stools compared to formula-fed infants. This is considered normal and healthy. Breast milk is easily digested and provides essential nutrients and hydration for the baby, resulting in softer, more frequent bowel movements.Breastfed baby poop can vary in color and consistency, but it is often described as yellowish, mustard-like, and watery. The consistency may be likened to a loose paste or even slightly seedy in texture. These characteristics are typical for breastfed infants and are generally not a cause for concern.

Is it normal for breastfed baby poop to be runny?

Yes, it is normal for breastfed babies to have runny or loose stools. Breast milk is easily digested, which results in softer and more liquid-like bowel movements.

What does breastfed baby poop look like?

Breastfed baby poop is typically yellowish in color and has a mustard-like appearance. It can also have a seedy texture, similar to small curds. The consistency is usually quite soft and runny.

How often should a breastfed baby have a bowel movement?

Breastfed babies can have frequent bowel movements, sometimes after each feeding or even more often. However, the frequency can vary from one baby to another. As long as the baby is gaining weight and has a generally healthy appearance, there’s often no need to be concerned about the frequency of bowel movements.

Is it normal for breastfed baby poop to change in color and consistency?

Yes, breastfed baby poop can vary in color and consistency. It might become slightly thicker or have variations in color due to changes in the mother’s diet. These changes are generally considered normal.

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