Polyethylene Glycol (Miralax)

Gastroenterology (Osmotic Laxative)

Dosing & Administration

Adult Dose

17 grams (1 capful) dissolved in 8 oz fluid PO daily.

Pediatric Dose

0.2-0.8 g/kg/day PO.

Renal Adjustment

No adjustment necessary.

Hepatic Adjustment

No adjustment necessary.

Safety & Special Populations

Pregnancy Category

C

Lactation Safety

Compatible.

Contraindications & Adverse Effects

Contraindications

  • Bowel obstruction
  • Toxic megacolon

Common Adverse Effects

  • Bloating
  • Cramping
  • Diarrhea