Polyethylene Glycol (Miralax) Flashcards

Study Notes

Polyethylene Glycol (Miralax) Overview

Classed as a gastrointestinal agent, used primarily to treat constipation.
Administered orally, making it convenient for patient use.

Dosing Information

Colonoscopy Preparation:
- 238 g mixed in 2 L of sports drink, taken the day before the procedure.
- For split-dose regimen, consume 1 L the day before and 1 L on the day of the procedure.
General Constipation:
- 17 g (approximately 1 heaping tablespoon) orally per day, mixed in 4 to 8 ounces of a beverage; maximum duration of 2 weeks.
Chronic Constipation:
- Same dosage as general constipation but can be taken for up to 6 months.

Administration Guidelines

Mix the powder in 8 oz of water, juice, soda, coffee, or tea prior to taking the medication.

Contraindications

Not suitable for individuals with hypersensitivity to polyethylene glycol or those with known or suspected bowel obstructions.

Precautions to Consider

Assess for symptoms of bowel obstruction (nausea, vomiting, abdominal pain, distension).
Use is contraindicated if bowel obstruction or perforation is present.

Adverse Effects

Common gastrointestinal side effects include diarrhea, flatulence, nausea, stomach cramps, and a swollen abdomen.

Pregnancy Category

Classified as category C, indicating risk is not ruled out without appropriate studies.

Monitoring Parameters

Monitor for decreased abdominal discomfort and pain.
Expect bowel movements within 2 to 4 days of initial dosing.
Check for electrolyte imbalances with prolonged, frequent, or excessive use.

Mechanism of Action (MOA)

Functions as an osmotic agent, helping to retain water in the stool, resulting in softer stools and more frequent bowel movements.
Does not affect the active absorption or secretion of glucose or electrolytes.

Medication Counseling Points

Patients should be aware of potential side effects and that symptomatic relief might not occur for 2 to 4 days.
Inform about various brand names and their specific properties and instructions.
Advise against use for more than 2 weeks unless directed by a healthcare professional.

Description

Test your knowledge on Polyethylene Glycol (Miralax) with these flashcards. Covering key concepts such as its classification as a gastrointestinal agent, administration routes, and dosing guidelines, this quiz is perfect for students and healthcare professionals alike.