Constipation falls under the Gut Health category.

Evidence-based

Constipation

Written by:

Morgan Pfiffner

Fact-checked by:

Louie Neri, James Gaylor

•Last Updated: November 20, 2025

Constipation occurs when the process of defecation is impaired to such a degree that a person can no longer easily pass stool.

Written by:

Fact-checked by:

Last Updated:November 20, 2025

Research Snapshot

56 references on this page

735 participants in 8 trials and 2 meta-analyses

Examine Evidence Grades

AConstipation Signs and Symptoms

Overview

What is constipation?

What are the main symptoms of constipation?

How is constipation diagnosed?

What are some of the main medical treatments for constipation?

Have any supplements been studied for constipation?

How could diet affect constipation?

Are there any other treatments for constipation?

What causes constipation?

Examine Database: Constipation

1 outcome

3 outcomes

1 outcome

1 outcome

1 outcome

Lactobacillus reuteri

2 outcomes

2 outcomes

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Frequently Asked Questions

What are the subtypes of primary constipation?

Is constipation diagnosed differently in children and adults?

Does the type of fiber matter when it comes to constipation?

Does a low-carbohydrate diet increase the risk of constipation?

References

Examine Database References