Baby Poop Smells Like Burnt Hair
Baby Toddler Safety

Baby Poop Smells Like Burnt Hair

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Although no one loves to talk about it, inquiries about infant stool are among our most frequently asked questions.

When should you be concerned, and when is a bowel movement considered “normal”?

Experts note that if the stool smells tarry or bad, it could be a symptom of an infection or gastrointestinal hemorrhage.

Some diarrhea situations have a distinct odor to them. However, the smell of excrement does not provide a cause.

Keep reading this post to know more about baby poop that smells like burnt hair. 

Baby Poop Smells Like Burnt Hair

You’ve undoubtedly noticed a few odors that you weren’t expecting after changing your baby’s diaper a few times.

This isn’t a cause for concern most of the time, but you’ve probably wondered why your baby’s diaper smells the way it does from time to time.

A sensitivity to a new meal, a food allergy (particularly dairy), a virus or bacterial infection, or moderate dehydration are all possibilities for why your baby’s diaper smells wrong or unpleasant.

Sweeter odors are usually a healthy indicator in newborns, especially those nursed.

Most of the time, these odors faded away on their own or transformed into something else as we introduced new meals.

If your infant has other symptoms like green or black stools, blood in the stool, vomiting, fever, and so on, a virus or bacteria could cause the sour milk smell. In this situation, the odor should go away once you resolve the other problem!

1. Baby Diapers Can Have a Variety of Scents

Poop and pee from babies are peculiar.

As your baby’s body develops and adjusts to digesting and absorbing different kinds of foods, it’s very common to notice a variety of distinct scents, colors, consistencies, and other abnormal concerns with their poop and urine over the first couple of years.

For your peace of mind, know that most changes in color, consistency, and odor are a perfectly natural aspect of a baby’s development and will usually go away or normalize with time.

If your baby’s stool is runny, dark red or black, mucusy, or white, it could indicate a more serious problem that you need to look into right away. 

This is also true if unusual feces symptoms occur with other concerns such as fever, vomiting, etc.

It’s still a treatable problem in most situations, but now is the time to seek professional medical guidance!

2. What If the Diaper Has a Sour Milk or Vinegar Odour?

When changing a diaper, the smell of vinegar or sour milk is rather typical, and there are a few reasons why you might sense the acidity.

One of the most common causes of vinegar-smelling diapers is lactose excess.

Cow’s milk and breast milk have the same concentration of lactose, 7%.

The problems emerge when the baby’s lactase production is insufficient to keep up with the amount of lactose provided to them via bottle or breastfeeding, usually due to overfeeding. 

Just because your baby has a transient lactose overload doesn’t mean she’s lactose intolerant; however, it could indicate lactose intolerance if the condition persists.

3. What If the Diaper Has a Burnt Rubber Odour?

Unlike the other concerns, there is no clear explanation for the smell of burning plastic from your baby’s diaper or why this might occur. 

However, several folks have reported this odor, and a few possible sources have come into play.

If the only thing you notice is a scent that comes and goes with no other symptoms in your kid, it’s probably something they ate (if they’re eating solids) or something you ate (if you’re nursing) and isn’t dangerous.

For many patients, a milk allergy was one of the causes. Even if you exclusively breastfeed your kid, the milk can cause problems if mommy drinks it before feedings.

The simplest method to check is to reduce dairy consumption (if you’re breastfeeding) for a few days and see the results.

It could indicate another sensitivity or allergy, so determining what it is may need a process of elimination.

4. What If the Diaper Has a Metallic Odour?

Although uncommon, detecting a metallic odor when changing a diaper might be disconcerting, and there are a few explanations for this.

When your infant is dehydrated, the relative concentration of minerals and other substances in their urine can rise, giving it a mildly metallic odor. 

If you suspect dehydration is the culprit, look for other signs of dehydration, such as rarely wet diapers, dark yellow urine, lethargy, listlessness, and a hollow soft spot at the top of your baby’s head.

If you see any of these symptoms, you should get medical help right once.

You have an illness with a specific bacterium that gives urine a metallic odor and serves as a quick identifying marker.

However, because it’s nearly always found in nursing homes, you shouldn’t have to worry too much about this one with your infant.

Learn more from a related post: Babies Poop Smells Like Vinegar


Now, you know that baby poop smells like burnt hair.

A possible culprit is a virus or other stomach bug’ that causes general gastrointestinal disturbance.

If this is the case, you’ll notice a weird odor as one of the symptoms, not the only one.

Check for mucous or blood in the feces, green or black stool, or burnt rubber odor.

There will certainly be additional symptoms, such as vomiting, diarrhea, fever, etc. 

Most of the time, these symptoms and changes in poop’s color, odor, and consistency become normal.

But you can consult a medical professional if the problem persists for a few days.

Frequently Asked Questions (FAQs)

What Does It Signify If Your Stool Has a Tar-Like Odor?

Black or tarry feces with a bad odor indicate a problem in the upper digestive tract. It usually means bleeding in the stomach, small intestine, or colon’s right side. Melena is the term used to characterize this discovery.

Make sure you keep track of changing stool colors since it will make it easy for the doctors to diagnose a problem.

It is advisable to seek a professional’s help in this case.

Why Does My Baby’s Poop Have a Strange Odor?

The stools of babies have virtually little odor in the first several days.

The odor of their excrement increases when their gut becomes colonized by bacteria. This is a common occurrence.

The baby’s stool will have different odors, colors, and consistency in the first two years.

It takes time for their digestive system to get used to the changing food habits. This process is completely normal.

When Should I Be Concerned About the Smell of Baby Poop?

However, if your baby’s excrement smells nasty, it could indicate an allergy to anything they’ve eaten.

If a strong odor lasts more than a few days, call your child’s pediatrician to see if an allergy test is required.

You do not need to worry, and the problem might be temporary since the baby might be adjusting to the lifestyle, and its body will take time to digest its food.

Ensure to consult a doctor in case of bloody, dark, or mucousy stools.



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Iesha Mulla

Iesha is a loving mother of 2 beautiful children. She's an active parent who enjoys indoor and outdoor adventures with her family. Her mission is to share practical and realistic parenting advice to help the parenting community becoming stronger.

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