Polyethylene glycol

Definition

Polyethylene glycol (PEG) is a laxative used to treat occasional constipation by drawing water into the bowel, which helps soften stools and stimulate bowel movements. It is often used as a solution mixed with water or other liquids.

5 Must Know Facts For Your Next Test

1. Polyethylene glycol works as an osmotic laxative by retaining water in the stool, increasing stool frequency.
2. PEG is commonly used for bowel preparation before colonoscopy procedures.
3. It is generally considered safe for short-term use but long-term use should be monitored by healthcare providers.
4. Common side effects include bloating, gas, nausea, and abdominal cramping.
5. PEG is available over-the-counter in various forms such as powders and pre-mixed solutions.

Review Questions

• How does polyethylene glycol help relieve constipation?
• What are common side effects associated with polyethylene glycol usage?
• For what medical procedure is polyethylene glycol often used as a preparatory solution?

Related terms

Osmotic Laxative: A type of laxative that works by drawing water into the intestines to soften stools.

Bowel Preparation: A process involving the use of laxatives to clean out the intestines before medical examinations like colonoscopy.

Constipation: A condition characterized by infrequent bowel movements or difficulty passing stools.