Baby Poop Smells Like Acetone: What Does It Mean?

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As a new parent, it’s natural to be concerned about your baby’s health. One of the things you may notice is that your baby’s poop smells like acetone. This can be alarming, but it’s important to understand what it means and whether or not it’s normal.

What Is Acetone?

Acetone is a colorless, flammable liquid that has a sweet, fruity smell. It’s commonly used as a solvent and is found in many household products, including nail polish remover and paint thinner.

What Causes Baby Poop to Smell Like Acetone?

There are several reasons why your baby’s poop may smell like acetone. One possible cause is a high-fat, low-carbohydrate diet. When your baby eats a diet that is high in fat and low in carbohydrates, their body may produce ketones, which can give their poop a fruity smell. Another possible cause is a medical condition called diabetic ketoacidosis. This is a serious condition that can occur in babies who have diabetes. It happens when the body doesn’t have enough insulin to process glucose, so it starts breaking down fat instead. This process can produce ketones, which can cause the fruity smell in your baby’s poop.

When Should I Be Concerned?

If your baby’s poop smells like acetone, it’s important to talk to your pediatrician. They can help you determine the cause of the smell and whether or not it’s a cause for concern. If your baby has other symptoms, such as vomiting or diarrhea, it’s important to seek medical attention right away.

What Can I Do to Help My Baby?

If your baby’s poop smells like acetone due to a high-fat, low-carbohydrate diet, you may be able to adjust their diet to reduce the smell. Talk to your pediatrician about the best way to do this. If your baby has diabetic ketoacidosis, they will need medical treatment. Your pediatrician may recommend hospitalization and insulin therapy to help manage their blood sugar levels and prevent further complications.


While a fruity smell in your baby’s poop can be concerning, it’s important to remember that there are many possible causes. Talk to your pediatrician if you’re worried about your baby’s poop smelling like acetone. They can help you determine the cause and the best course of action to help your baby stay healthy.