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Green stool

Medically reviewed by Drugs.com. Last updated on Jun 11, 2022.

Definition

Green stool — when your feces look green — is usually the result of something you ate, such as spinach. Certain medications or iron supplements also can cause green stool.

Newborns pass a dark green stool called meconium, and breast-fed infants often produce yellow-green stools. In older children and adults, green stool is uncommon. It's rarely cause for concern.

Causes

Infants

Infants might have green stool as a result of:

Children and adults

Causes of green stool include:

When to see a doctor

Call your doctor if you or your child has green stool for more than a few days. Green stool often occurs with diarrhea, so drink plenty of fluids and seek immediate medical attention if you or your child becomes dehydrated.

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