Miralax

Definition

Miralax is a brand name for polyethylene glycol 3350, an osmotic laxative used to treat occasional constipation. It works by retaining water in the stool, increasing stool frequency and improving bowel movements.

5 Must Know Facts For Your Next Test

1. Miralax is an over-the-counter medication commonly used to relieve constipation.
2. It typically takes 1 to 3 days to produce a bowel movement after taking Miralax.
3. The active ingredient, polyethylene glycol 3350, does not get absorbed into the bloodstream.
4. Miralax should be dissolved in liquid before ingestion and taken once daily.
5. Common side effects include bloating, gas, upset stomach, dizziness, or increased sweating.

Review Questions

• What is the primary mechanism of action for Miralax?
• How long does it usually take for Miralax to produce a bowel movement?
• List two common side effects associated with Miralax.

Related terms

Lactulose:

A synthetic sugar used as an osmotic laxative for treating constipation.

Docusate Sodium:

A stool softener that helps make bowel movements softer and easier to pass.

Bisacodyl:

A stimulant laxative that increases the activity of the intestines to cause a bowel movement.