What Happens If You Swallow Toilet Paper?

Swallowing a small, single piece of toilet paper (TP) is generally not a cause for concern for a healthy adult. The material is not toxic, and the human digestive system is well-equipped to handle small amounts of non-digestible substances. It will typically pass through the gastrointestinal tract without issue.

What Toilet Paper Is Made Of

Standard toilet paper is primarily composed of cellulose fibers, sourced from wood pulp, recycled paper, or alternatives like bamboo. Cellulose is a complex carbohydrate providing structural integrity to plant cell walls. Humans lack the necessary digestive enzymes, such as cellulase, to break down these fibers for nutritional absorption.

The manufacturing process introduces several additives in very small quantities. The pulp is subjected to bleaching, often using chlorine dioxide, to achieve a bright white color. Manufacturers may also incorporate trace amounts of strengthening agents, dyes, or perfumes. These chemicals are considered non-toxic in the minute quantities present.

The Immediate Risk of Swallowing

The most significant and immediate danger associated with swallowing toilet paper is the physical risk of airway obstruction. This acute hazard occurs before the material even enters the digestive tract. A piece of paper, particularly if dry and wadded into a dense mass, can become lodged in the throat or the esophagus.

This risk is heightened if the piece is large or if the person swallowing is a child, an elderly individual, or someone with an underlying swallowing disorder. A dry piece of paper can rapidly expand and stick to the moist lining of the upper airway, potentially blocking the passage of air. Any instance of persistent coughing, difficulty breathing, or a feeling of something stuck in the throat after ingestion requires immediate medical attention.

Passage Through the Digestive System

Once a small piece of toilet paper passes through the esophagus, it enters the stomach, encountering strong hydrochloric acid and digestive enzymes. The stomach’s primary function is to break down proteins and fats, but the cellulose structure is resistant to this chemical breakdown. Instead, the paper will soften and become saturated with gastric juices.

The material then moves into the small intestine, where the body typically absorbs nutrients. Since the cellulose cannot be broken down into absorbable molecules like glucose, the softened paper fibers pass through largely unchanged. They contribute zero nutritional value and do not release significant toxins into the bloodstream.

From the small intestine, the material continues its journey into the large intestine, or colon. Here, the softened paper acts similarly to dietary insoluble fiber, contributing to the bulk of the stool. It absorbs water and aids in the peristaltic movement of waste material through the colon, ultimately being eliminated from the body.

Signs That Require Medical Attention

While the body can generally pass a small amount of toilet paper, certain symptoms following ingestion indicate a serious problem. The most urgent concern is a gastrointestinal obstruction. Symptoms of a potential blockage include severe, persistent abdominal pain or cramping that does not resolve.

Other red flags are persistent vomiting, especially if the vomit contains bile, or an inability to pass gas or stool for an extended period. These signs suggest that the normal passage of contents through the digestive tract has been halted. Rarely, chronic or repeated ingestion of non-digestible materials can lead to the formation of a bezoar, a tight, hardened mass that can cause long-term obstruction. Any instance of bloody stools, a high fever, or confusion should prompt an immediate visit to an emergency room.